Sodium Hydrogen Carbonate Answers
why can not sodium hydrogen carbonate extract be used in place sodium carbonate extract as a salt solution?
Q.
Asked by ila t - Thu Jan 1 10:24:17 2009 - Chemistry - 2 Answers - Comments
A. Na HCO3 in water gives a different p H than Na2CO3 The extract may be p H dependent. Could you give some information about the extract?
Answered by inkmaker - Thu Jan 1 10:50:51 2009
Q.
Asked by ila t - Thu Jan 1 10:24:17 2009 - Chemistry - 2 Answers - Comments
A. Na HCO3 in water gives a different p H than Na2CO3 The extract may be p H dependent. Could you give some information about the extract?
Answered by inkmaker - Thu Jan 1 10:50:51 2009
How do i set up a gas collection experiment with nitric acid and sodium hydrogen carbonate?
Q. This is to determine the relative formula mass of sodium hydrogen carbonate
Asked by Alice! - Sat Dec 15 06:15:43 2007 - Chemistry - 3 Answers - Comments
A. easier to do it wif HCl m8! HCl+Na HC03= Na Cl+H20+CO2 Collect C02 by downward displacement of water in gas jar. Use P*V/T=const to determine vol of C02 at stp 22.4 litres of any ideal gas = 1 mole at stp So if u have n moles of CO2 then u must have used n moles of Na HC03.
Answered by azteccameron1 - Sat Dec 15 06:46:46 2007
Q. This is to determine the relative formula mass of sodium hydrogen carbonate
Asked by Alice! - Sat Dec 15 06:15:43 2007 - Chemistry - 3 Answers - Comments
A. easier to do it wif HCl m8! HCl+Na HC03= Na Cl+H20+CO2 Collect C02 by downward displacement of water in gas jar. Use P*V/T=const to determine vol of C02 at stp 22.4 litres of any ideal gas = 1 mole at stp So if u have n moles of CO2 then u must have used n moles of Na HC03.
Answered by azteccameron1 - Sat Dec 15 06:46:46 2007
How come the p H level goes up if you mix ethanoic acid (vinegar) with sodium hydrogen carbonate (baking soda)?
Q. i know that mixing sodium hydrogen carbonate (baking soda) into ethanoic acid (vinegar) increases the p H level and turns it into a base, but how do i say why that happened?
Asked by pahoney - Sat Aug 28 00:17:41 2010 - Chemistry - 1 Answers - Comments
A. The reason is because you decrease the proton concentration [H+] by adding Na HCO3 (basic): CH3CO2H + Na HCO3 ---> Na O2CCH3 + CO2(g) + H2O Since the definition of p H is: p H = - log[H+] any increment in [H+] will make the logarithm larger and the p H less positive. By the same logic, decreasing the [H+] will make the logarithm smaller and the p H more positive.
Answered by rhombohedral - Sat Aug 28 00:32:59 2010
Q. i know that mixing sodium hydrogen carbonate (baking soda) into ethanoic acid (vinegar) increases the p H level and turns it into a base, but how do i say why that happened?
Asked by pahoney - Sat Aug 28 00:17:41 2010 - Chemistry - 1 Answers - Comments
A. The reason is because you decrease the proton concentration [H+] by adding Na HCO3 (basic): CH3CO2H + Na HCO3 ---> Na O2CCH3 + CO2(g) + H2O Since the definition of p H is: p H = - log[H+] any increment in [H+] will make the logarithm larger and the p H less positive. By the same logic, decreasing the [H+] will make the logarithm smaller and the p H more positive.
Answered by rhombohedral - Sat Aug 28 00:32:59 2010
What type of reaction is sodium carbonate and hydrogen to form sodium hydrogen carbonate?
Q. i need like single, double , decomp, syn, comb
Asked by warriorecon - Thu Mar 13 14:35:17 2008 - Chemistry - 2 Answers - Comments
A. synthesis ... to produce sodium bicarbonate Na HCO3.
Answered by Z W - Thu Mar 13 14:38:58 2008
Q. i need like single, double , decomp, syn, comb
Asked by warriorecon - Thu Mar 13 14:35:17 2008 - Chemistry - 2 Answers - Comments
A. synthesis ... to produce sodium bicarbonate Na HCO3.
Answered by Z W - Thu Mar 13 14:38:58 2008
How do you calculate the mass of sodium hydrogen carbonate?
Q.
Asked by !!! - Thu Mar 1 19:03:40 2007 - Chemistry - 1 Answers - Comments
A. add up the atomic masses (you can find them on the periodic table) of each of the elements/polyatomic ions present in the formula. for example, water's molecular mass is 18. H20 - each hydrogen atom is one, and the oxygen is 16. 16+1+1=18.
Answered by babybone1991 - Thu Mar 1 19:08:49 2007
Q.
Asked by !!! - Thu Mar 1 19:03:40 2007 - Chemistry - 1 Answers - Comments
A. add up the atomic masses (you can find them on the periodic table) of each of the elements/polyatomic ions present in the formula. for example, water's molecular mass is 18. H20 - each hydrogen atom is one, and the oxygen is 16. 16+1+1=18.
Answered by babybone1991 - Thu Mar 1 19:08:49 2007
What is the mass in grams of 2.75 moles of sodium hydrogen carbonate?
Q. Baking soda is the common name for sodium hydrogen carbonate (Na HCO3).What is the mass in grams of 2.75 moles of sodium hydrogen carbonate? A. 63.2g B. 84 g C. 210 g D. 231 g
Asked by Ms.Juelz - Tue Jan 19 20:43:30 2010 - Chemistry - 1 Answers - Comments
A. m = amount in moles x molar mass m= 2.75 mol x molar mass molar mass= Na- 23 g H- 1 g C- 12 g O- 16 g x 3 = 48 g = 84 g/mol m= 2.75 mol x 84 g/mol = 231 grams of sodium bicarbonate
Answered by TDUbbbs:) - Tue Jan 19 20:51:37 2010
Q. Baking soda is the common name for sodium hydrogen carbonate (Na HCO3).What is the mass in grams of 2.75 moles of sodium hydrogen carbonate? A. 63.2g B. 84 g C. 210 g D. 231 g
Asked by Ms.Juelz - Tue Jan 19 20:43:30 2010 - Chemistry - 1 Answers - Comments
A. m = amount in moles x molar mass m= 2.75 mol x molar mass molar mass= Na- 23 g H- 1 g C- 12 g O- 16 g x 3 = 48 g = 84 g/mol m= 2.75 mol x 84 g/mol = 231 grams of sodium bicarbonate
Answered by TDUbbbs:) - Tue Jan 19 20:51:37 2010
Sodium hydrogen carbonate is also known as baking soda. When this compound is heated, it decomposes to sodium?
Q. Sodium hydrogen carbonate is also known as baking soda. When this compound is heated, it decomposes to sodium carbonate, carbon dioxide, and water. Write the balanced equation for this reaction.
Asked by Ej R - Sun Feb 10 18:06:38 2008 - Chemistry - 1 Answers - Comments
A. 2Na HCO3 + energy --> Na2CO3 + CO2 + H2O
Answered by Justin - Sun Feb 10 18:27:35 2008
Q. Sodium hydrogen carbonate is also known as baking soda. When this compound is heated, it decomposes to sodium carbonate, carbon dioxide, and water. Write the balanced equation for this reaction.
Asked by Ej R - Sun Feb 10 18:06:38 2008 - Chemistry - 1 Answers - Comments
A. 2Na HCO3 + energy --> Na2CO3 + CO2 + H2O
Answered by Justin - Sun Feb 10 18:27:35 2008
Why is evidence of a chemical reaction seen after water is added to sodium hydrogen carbonate & citric acid?
Q. why not before? i know that based on the chemical equation, when water is added water and carbon dioxide is created; but when water is not added they are just two solids mixed in together.
Asked by Chia Hui - Mon Nov 15 05:41:53 2010 - Chemistry - 1 Answers - Comments
A. In order for most chemical reactions to occur the IONS need to react, until the water is added the substances are just compounds, after the water is added, the compounds split into their ions and readily react.
Answered by - Mon Nov 15 06:14:17 2010
Q. why not before? i know that based on the chemical equation, when water is added water and carbon dioxide is created; but when water is not added they are just two solids mixed in together.
Asked by Chia Hui - Mon Nov 15 05:41:53 2010 - Chemistry - 1 Answers - Comments
A. In order for most chemical reactions to occur the IONS need to react, until the water is added the substances are just compounds, after the water is added, the compounds split into their ions and readily react.
Answered by - Mon Nov 15 06:14:17 2010
How many grams of sodium hydrogen carbonate, Na HCO3, must be heated to produce 2.50 dm3 of...?
Q. How many grams of sodium hydrogen carbonate, Na HCO3, must be heated to produce 2.50 dm3 of carbon dioxide measured at 22.5 degrees celsius and 97.5 k Pa? The other products are sodium carbonate and water.
Asked by hacksigntom - Sun May 13 18:05:16 2007 - Chemistry - 1 Answers - Comments
A. If you assume that the only gas is CO2, and that the water is liquid, then the equation for the decomposition is: 2 Na HCO3 --> CO2 + H2O + Na2CO3 Start with the ideal gas law to calculate the number of moles of CO2 gas that you want to form. Multiply the moles of CO2 by 2 to get the moles of Na HCO3 you must start with. Finally, use the molar mass of Na HCO3 to calculate the mass of Na HCO3 you need to heat.
Answered by hcbiochem - Sun May 13 18:14:45 2007
Q. How many grams of sodium hydrogen carbonate, Na HCO3, must be heated to produce 2.50 dm3 of carbon dioxide measured at 22.5 degrees celsius and 97.5 k Pa? The other products are sodium carbonate and water.
Asked by hacksigntom - Sun May 13 18:05:16 2007 - Chemistry - 1 Answers - Comments
A. If you assume that the only gas is CO2, and that the water is liquid, then the equation for the decomposition is: 2 Na HCO3 --> CO2 + H2O + Na2CO3 Start with the ideal gas law to calculate the number of moles of CO2 gas that you want to form. Multiply the moles of CO2 by 2 to get the moles of Na HCO3 you must start with. Finally, use the molar mass of Na HCO3 to calculate the mass of Na HCO3 you need to heat.
Answered by hcbiochem - Sun May 13 18:14:45 2007
how does the p H of sodium hydrogen carbonate solution change when exposed to carbon dioxide?
Q. I've heard that dissolving 0.429g solid sodium hydrogen carbonate in 500ml water can be used to test for carbon dioxide levels in the air, as the p H of the solution changes when exposed to CO2. Is this true, and if so, how? Any help much appreciated.
Asked by hazz - Thu May 6 21:30:06 2010 - Chemistry - 2 Answers - Comments
A. the p H will lower but there will be no titration just an increase in H3O+ ions and subsequently lower p H
Answered by - Thu May 6 22:25:06 2010
Q. I've heard that dissolving 0.429g solid sodium hydrogen carbonate in 500ml water can be used to test for carbon dioxide levels in the air, as the p H of the solution changes when exposed to CO2. Is this true, and if so, how? Any help much appreciated.
Asked by hazz - Thu May 6 21:30:06 2010 - Chemistry - 2 Answers - Comments
A. the p H will lower but there will be no titration just an increase in H3O+ ions and subsequently lower p H
Answered by - Thu May 6 22:25:06 2010
Sodium Carbonate and Sodium Hydrogen Carbonate Experiment?
Q. How many millilitres of 6M hydrochloric acid are required to react exactly with (a) 0.2 g of sodium carbonate, and (b) 0.2 g of sodium hydrogen carbonate? Can you please show your calculations, including the relevant balanced chemical equations so i could learn how to do it Thank Youuu :)
Asked by - Thu Apr 9 08:00:29 2009 - Chemistry - 1 Answers - 1 Comments
A. a) Na2CO3 + 2HCl(aq) = 2Na Cl(aq) + H2O(l) + CO2(g) b) Na HCO3 + HCL(aq) = Na Cl(aq) + H2O(l) + CO2(g) I will show all the calculations for (a) and give you the results for (b) at the end, so you can try (b) yourself and compare the result. Now we need the molar mass: M(Na2CO3) = (23x2 + 12 + 16x3) g/mol = 106 g/mol So we can calculate, the molarity of our sodium carbonate: m(Na2CO3) = 0.2g n(Na2CO3) = m(Na2CO3) / M(Na2CO3) = 0.0019 mol = 1.9 mmol So, now check the equation on top. It says that for one mole of Na2CO3 we need two moles of HCl. So, we need 3.8mmol of HCl. n(HCl) = 3.8 mmol We have 6M HCl. c(HCl) = 6 mol/L = 6mmol/m L We want to know the volume of 6M HCl to get 3.8mmol HCl v(HCl) = n(HCl) / c(HCl) = 3.8 mmol / (6 mmol/m L) = ( [cont.]
Answered by Nobody - Mon Apr 13 06:27:54 2009
Q. How many millilitres of 6M hydrochloric acid are required to react exactly with (a) 0.2 g of sodium carbonate, and (b) 0.2 g of sodium hydrogen carbonate? Can you please show your calculations, including the relevant balanced chemical equations so i could learn how to do it Thank Youuu :)
Asked by - Thu Apr 9 08:00:29 2009 - Chemistry - 1 Answers - 1 Comments
A. a) Na2CO3 + 2HCl(aq) = 2Na Cl(aq) + H2O(l) + CO2(g) b) Na HCO3 + HCL(aq) = Na Cl(aq) + H2O(l) + CO2(g) I will show all the calculations for (a) and give you the results for (b) at the end, so you can try (b) yourself and compare the result. Now we need the molar mass: M(Na2CO3) = (23x2 + 12 + 16x3) g/mol = 106 g/mol So we can calculate, the molarity of our sodium carbonate: m(Na2CO3) = 0.2g n(Na2CO3) = m(Na2CO3) / M(Na2CO3) = 0.0019 mol = 1.9 mmol So, now check the equation on top. It says that for one mole of Na2CO3 we need two moles of HCl. So, we need 3.8mmol of HCl. n(HCl) = 3.8 mmol We have 6M HCl. c(HCl) = 6 mol/L = 6mmol/m L We want to know the volume of 6M HCl to get 3.8mmol HCl v(HCl) = n(HCl) / c(HCl) = 3.8 mmol / (6 mmol/m L) = ( [cont.]
Answered by Nobody - Mon Apr 13 06:27:54 2009
What is the common name for sodium hydrogen carbonate?
Q.
Asked by Babe R - Thu Feb 21 18:22:55 2008 - Chemistry - 3 Answers - Comments
A. sodium bicarbonate aka baking soda *** update *** chemfree... Jinvest and I answered before you because we didn't need a source. :) all right. fine. my source is me. ex chemistry TA. chemical engineer with 15 yrs experience.
Answered by m w - Thu Feb 21 18:26:39 2008
Q.
Asked by Babe R - Thu Feb 21 18:22:55 2008 - Chemistry - 3 Answers - Comments
A. sodium bicarbonate aka baking soda *** update *** chemfree... Jinvest and I answered before you because we didn't need a source. :) all right. fine. my source is me. ex chemistry TA. chemical engineer with 15 yrs experience.
Answered by m w - Thu Feb 21 18:26:39 2008
how can i test for the difference between sodium hydrogen carbonate and sodium carbonate?
Q.
Asked by - Fri Nov 11 10:40:54 2011 - Chemistry - 1 Answers - Comments
Q.
Asked by - Fri Nov 11 10:40:54 2011 - Chemistry - 1 Answers - Comments
What is the mass composition of sodium hydrogen carbonate?
Q.
Asked by - Fri May 13 14:54:28 2011 - Chemistry - 1 Answers - Comments
A. Bicarbonate of soda (sodium hydrogen carbonate) is used in many commercial preparations. Its formula is Na HCO3. Find the mass percentages (mass %) of Na, H, C, and O in sodium hydrogen carbonate. First, look up the atomic masses for the elements from the Periodic Table. The atomic masses are found to be: Na is 22.99 H is 1.01 C is 12.01 O is 16.00 Next, determine how many grams of each element are present in one mole of Na HCO3: 22.99 g (1 mol) of Na 1.01 g (1 mol) of H 12.01 g (1 mol) of C 48.00 g (3 mole x 16.00 gram per mole) of O The mass of one mole of Na HCO3 is: 22.99 g + 1.01 g + 12.01 g + 48.00 g = 84.01 g And the mass percentages of the elements are mass % Na = 22.99 g / 84.01 g x 100 = 27.36 % mass % H = 1.01 g / 84.01 g x 100 = [cont.]
Answered by - Fri May 13 14:59:59 2011
Q.
Asked by - Fri May 13 14:54:28 2011 - Chemistry - 1 Answers - Comments
A. Bicarbonate of soda (sodium hydrogen carbonate) is used in many commercial preparations. Its formula is Na HCO3. Find the mass percentages (mass %) of Na, H, C, and O in sodium hydrogen carbonate. First, look up the atomic masses for the elements from the Periodic Table. The atomic masses are found to be: Na is 22.99 H is 1.01 C is 12.01 O is 16.00 Next, determine how many grams of each element are present in one mole of Na HCO3: 22.99 g (1 mol) of Na 1.01 g (1 mol) of H 12.01 g (1 mol) of C 48.00 g (3 mole x 16.00 gram per mole) of O The mass of one mole of Na HCO3 is: 22.99 g + 1.01 g + 12.01 g + 48.00 g = 84.01 g And the mass percentages of the elements are mass % Na = 22.99 g / 84.01 g x 100 = 27.36 % mass % H = 1.01 g / 84.01 g x 100 = [cont.]
Answered by - Fri May 13 14:59:59 2011
What is the equation for a Sodium hydrogen carbonate reaction?
Q. And how can we tell from this equation that it removes acid?
Asked by Siren Productions - Tue Feb 5 16:52:01 2008 - Chemistry - 1 Answers - Comments
A. Na HCO3 + HCl --> Na Cl + H2O + CO2 where did the acid go?
Answered by skipper - Tue Feb 5 16:56:07 2008
Q. And how can we tell from this equation that it removes acid?
Asked by Siren Productions - Tue Feb 5 16:52:01 2008 - Chemistry - 1 Answers - Comments
A. Na HCO3 + HCl --> Na Cl + H2O + CO2 where did the acid go?
Answered by skipper - Tue Feb 5 16:56:07 2008
What is the equation for the reaction that occurs between the methanoic acid and sodium hydrogen carbonate?
Q.
Asked by i_want_a_pet_goat - Wed Sep 8 06:56:28 2010 - Chemistry - 1 Answers - Comments
A. HCOOH + Na HCO3 --> HCOO- Na+ + H2O + CO2 Methanoic acid + Sodium hydrogen carbonate --> Sodium Methanoate + water + Carbon Dioxide
Answered by - Wed Sep 8 07:03:01 2010
Q.
Asked by i_want_a_pet_goat - Wed Sep 8 06:56:28 2010 - Chemistry - 1 Answers - Comments
A. HCOOH + Na HCO3 --> HCOO- Na+ + H2O + CO2 Methanoic acid + Sodium hydrogen carbonate --> Sodium Methanoate + water + Carbon Dioxide
Answered by - Wed Sep 8 07:03:01 2010
Is a mixture between sodium hydrogen carbonate a colliod or a solution?
Q. Also the mixture between water and cornstarch?
Asked by chickenmadz - Thu Feb 21 11:38:54 2008 - Chemistry - 1 Answers - Comments
A. since all sodium compounds are soluble (from solubility rule), sodium hydrogen carbonate is a solution. cornstarch doesnt dissolve into water and make a milky white solution, so that would be a colliod.
Answered by aiooii - Thu Feb 21 12:12:06 2008
Q. Also the mixture between water and cornstarch?
Asked by chickenmadz - Thu Feb 21 11:38:54 2008 - Chemistry - 1 Answers - Comments
A. since all sodium compounds are soluble (from solubility rule), sodium hydrogen carbonate is a solution. cornstarch doesnt dissolve into water and make a milky white solution, so that would be a colliod.
Answered by aiooii - Thu Feb 21 12:12:06 2008
How to find enthalpy of decomposition of Sodium hydrogen carbonate?
Q. How do you determine the enthalpy of decomposition of Sodium Hydrogen Carbonate after findind enthalpy change of the reactions between "hcl and Na HCO3" & "HCl and Na2CO3 & HCl". I know im supposed use a hess cycle to do that but got no clue. thanx in advance
Asked by The d - Tue Feb 20 20:08:04 2007 - Chemistry - 1 Answers - Comments
A. I am assuming that you want the enthalpy for the following decomposition reaction: Na HCO3 -> 0.5Na2CO3 + 0.5H2O + 0.5CO2 and that you have the enthalpy changes at the temperature of interest for the following reactions: delta-H1: Na HCO3 + HCl -> Na Cl + H2O + CO2 delta-H2: Na2CO3 + 2HCl -> 2Na Cl + H2O + CO2 We can subtract the 0.5 times the second reaction from the first reaction to get the desired decomposition reaction. That means that the enthalpy change for the desired reaction is delta-H1 minus half the value of delta-H2.
Answered by hfshaw - Wed Feb 21 18:11:33 2007
Q. How do you determine the enthalpy of decomposition of Sodium Hydrogen Carbonate after findind enthalpy change of the reactions between "hcl and Na HCO3" & "HCl and Na2CO3 & HCl". I know im supposed use a hess cycle to do that but got no clue. thanx in advance
Asked by The d - Tue Feb 20 20:08:04 2007 - Chemistry - 1 Answers - Comments
A. I am assuming that you want the enthalpy for the following decomposition reaction: Na HCO3 -> 0.5Na2CO3 + 0.5H2O + 0.5CO2 and that you have the enthalpy changes at the temperature of interest for the following reactions: delta-H1: Na HCO3 + HCl -> Na Cl + H2O + CO2 delta-H2: Na2CO3 + 2HCl -> 2Na Cl + H2O + CO2 We can subtract the 0.5 times the second reaction from the first reaction to get the desired decomposition reaction. That means that the enthalpy change for the desired reaction is delta-H1 minus half the value of delta-H2.
Answered by hfshaw - Wed Feb 21 18:11:33 2007
How would you prevent air bubbles from being trapped in the sodium hydrogen carbonate solution?
Q. How would you prevent air bubbles from being trapped in the sodium hydrogen carbonate solution? I am doing an experiment on photosynthesis and i was looking for ways to improve the experiment. Also, what causes the bubbles? thank you in advancee!!!
Asked by - Wed Jul 27 19:38:18 2011 - Chemistry - 1 Answers - Comments
A. If you have a sonicator handy, that would degas your solution. You could also bubble nitrogen through it.
Answered by scubagurl40 - Wed Jul 27 19:47:12 2011
Q. How would you prevent air bubbles from being trapped in the sodium hydrogen carbonate solution? I am doing an experiment on photosynthesis and i was looking for ways to improve the experiment. Also, what causes the bubbles? thank you in advancee!!!
Asked by - Wed Jul 27 19:38:18 2011 - Chemistry - 1 Answers - Comments
A. If you have a sonicator handy, that would degas your solution. You could also bubble nitrogen through it.
Answered by scubagurl40 - Wed Jul 27 19:47:12 2011
What is the function of sodium hydrogen carbonate and tartaric acid in baking powder?
Q.
Asked by cool girl - Tue Oct 14 09:00:20 2008 - Chemistry - 1 Answers - Comments
A. Baking powder is used to impart fluffiness to a cake... Sodium Hydrogen Carbonate decomposes to Sodium Carbonate and Carbon-di-oxide...The Carbon-di-oxide helps make the cake fluffy...Sodium Carbonate is bitter in taste...which is removed using tartaric acid
Answered by murphy_squared - Tue Oct 14 09:05:57 2008
Q.
Asked by cool girl - Tue Oct 14 09:00:20 2008 - Chemistry - 1 Answers - Comments
A. Baking powder is used to impart fluffiness to a cake... Sodium Hydrogen Carbonate decomposes to Sodium Carbonate and Carbon-di-oxide...The Carbon-di-oxide helps make the cake fluffy...Sodium Carbonate is bitter in taste...which is removed using tartaric acid
Answered by murphy_squared - Tue Oct 14 09:05:57 2008
From Yahoo Answer Search: 'sodium hydrogen carbonate'
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Luha ovice is famous with its unique natural treasure of 14 hydrogen carbonate chloride sodium springs and one sulphurous spring All the springs have similar content and that s why they
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Sodium hydrogen carbonate is widely used in pharmaceutical formulations, for p H ... The p H value of Sodium Hydrogen Carbonate in an aqueous 1 % solution is about 8, ...
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