Homework Answers
#1.
Reaction between HCl and Na2CO3 :
2 HCl (aq) + Na2CO3 (aq) ===> 2 NaCl (aq) + H2CO3 (aq)
#2.
Na2CO3 ==> CO2
1 mol of Na2CO3 ==> 1 mol of CO2 (g)
If we use 1mol of Na2CO3 or 106 g of Na2CO3 ===> it will give 1 mol or 44 g of CO2 (g), this is theoretical yield.
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Write a balanced equation for the reaction between sodium carbonate (Na2CO3) and hydrochloric acid (HCI). Calculate...
1. Write the balanced chemical equation for the reaction of sodium carbonate with hydrochloric acid. 2....
1. Write the balanced chemical equation for the reaction of sodium carbonate with hydrochloric acid. 2. Determine the mass of CaCO3 required to produce 40 mL CO2 gas according to this chemical equation.
Write a balanced equation for the reaction of anhydrous sodium carbonate and hydrochloric acid, and a...
Write a balanced equation for the reaction of anhydrous sodium carbonate and hydrochloric acid, and a balanced equation for the dehydration of sodium carbonate.
Name (First and Last): Stoichiometry and Mass Relationships Report Pages Obtain values from the pictures found...
Name (First and Last): Stoichiometry and Mass Relationships Report Pages Obtain values from the pictures found in the procedure to complete the data table below A. Data: 65.62 + Mass beaker + NaCO3 + 66.62g 65.62g 2 Mass empty beaker 3 Mass Na:COs used 19. 4 Mass graduated cylinder + HCl(aq) 5 Mass empty graduated cylinder 12.689 4.41 g 8. 279 1 74.899 Mass HCl(aq) used 65.629 19 8.27 Total mass before rxn: beaker + Nazco, + HCl(aq) 65.623 8...
Reaction B: Sodium Carbonate and Hydrochloric Acid Experimental Data (a) Mass of evaporating dish + watch...
Reaction B: Sodium Carbonate and Hydrochloric Acid Experimental Data (a) Mass of evaporating dish + watch glass (b) Mass of evaporating dish + watch glass + sodium carbonate (c) Mass of sodium carbonate used (d) Mass of evaporating dish + watch glass + sodium chloride (e) Mass of sodium chloride collected (experimental yield) 125.99 126.3 g 0.499 126. 29 125-8 9 Data Analysis 1) Use your data to determine the experimental mole-to-mole ratio between sodium carbonate and sodium chloride. Show...
8. Write the balanced chemical equation for the reaction of aqueous hydrochloric acid with aqueous sodium...
8. Write the balanced chemical equation for the reaction of aqueous hydrochloric acid with aqueous sodium carbonate. Consider your observations during this reaction.
2. (a) Write out the balanced chemical equation for the reaction between sulfuric acid and sodium...
2. (a) Write out the balanced chemical equation for the reaction between sulfuric acid and sodium hydroxide, using smallest whole number stoichiometric coefficients. (b) Write out the net ionic equation for the reaction between hydrochloric acid and sodium hydroxide. (c) Using your results, what is the ratio of AHxn(H2SO.) to AHxx.(HCI)? What should this ratio be? Explain.
write a balance chemical equation for the initial reaction of aqueous hydrochloric acid with aqueous sodium carbonate....
write a balance chemical equation for the initial reaction of aqueous hydrochloric acid with aqueous sodium carbonate. (this reaction occurs in our blood and leads to iliminate of co2(g) by our lungs)
Solution Stoichiometry Hydrochloric acid (HCl) reacts with sodium carbonate (Na2CO3), forming sodium chloride (NaCl), water (H2O),...
Solution Stoichiometry Hydrochloric acid (HCl) reacts with sodium carbonate (Na2CO3), forming sodium chloride (NaCl), water (H2O), and carbon dioxide (CO2). This equation is balanced as written: 2HCl(aq)+Na2CO3(aq)→2NaCl(aq)+H2O(l)+CO2(g) a) What volume of 2.75 M HCl in liters is needed to react completely (with nothing left over) with 0.750 L of 0.300 M Na2CO3? b) A 565-mL sample of unknown HCl solution reacts completely with Na2CO3 to form 10.1 g CO2. What was the concentration of the HCl solution? How do I...
A 2.500 grams sample of a mixture of sodium carbonate (Na2CO3) and sodium chloride (NaCl) is...
A 2.500 grams sample of a mixture of sodium carbonate (Na2CO3) and sodium chloride (NaCl) is dissolved in 25.00 mL of 0.798 M HCl (hydrochloric acid). Some acid will remain after the treatment of the sample. If 28.7 mL of 0.108 M NaOH is required to titrate the excess HCI then how many moles of sodium carbonate were present in the original sample? Hint: The moles of Na2CO3 present is equal to one- half the number of H30* moles and...
Postlab Questions 1. Write a balanced equation for the gas evolution reaction between aqueous solutions of...
Postlab Questions 1. Write a balanced equation for the gas evolution reaction between aqueous solutions of sodium carbonate and hydrochloric acid. 2. What is the molar ratio of sodium chloride to sodium carbonate from the above balanced equation? Describe how your results (Calculation 1j.) compare to this ratio. 3. Write a balanced equation for the gas evolution reaction between aqueous solutions of sodium bicarbonate and hydrochloric acid. 4. What is the molar ratio of sodium chloride to sodium bicarbonate from...
Name (First and Last): Stoichiometry and Mass Relationships Report Pages Obtain values from the pictures found in the procedure to complete the data table below A. Data: 65.62 + Mass beaker + NaCO3 + 66.62g 65.62g 2 Mass empty beaker 3 Mass Na:COs used 19. 4 Mass graduated cylinder + HCl(aq) 5 Mass empty graduated cylinder 12.689 4.41 g 8. 279 1 74.899 Mass HCl(aq) used 65.629 19 8.27 Total mass before rxn: beaker + Nazco, + HCl(aq) 65.623 8...
Reaction B: Sodium Carbonate and Hydrochloric Acid Experimental Data (a) Mass of evaporating dish + watch glass (b) Mass of evaporating dish + watch glass + sodium carbonate (c) Mass of sodium carbonate used (d) Mass of evaporating dish + watch glass + sodium chloride (e) Mass of sodium chloride collected (experimental yield) 125.99 126.3 g 0.499 126. 29 125-8 9 Data Analysis 1) Use your data to determine the experimental mole-to-mole ratio between sodium carbonate and sodium chloride. Show...
8. Write the balanced chemical equation for the reaction of aqueous hydrochloric acid with aqueous sodium carbonate. Consider your observations during this reaction.
2. (a) Write out the balanced chemical equation for the reaction between sulfuric acid and sodium hydroxide, using smallest whole number stoichiometric coefficients. (b) Write out the net ionic equation for the reaction between hydrochloric acid and sodium hydroxide. (c) Using your results, what is the ratio of AHxn(H2SO.) to AHxx.(HCI)? What should this ratio be? Explain.
A 2.500 grams sample of a mixture of sodium carbonate (Na2CO3) and sodium chloride (NaCl) is dissolved in 25.00 mL of 0.798 M HCl (hydrochloric acid). Some acid will remain after the treatment of the sample. If 28.7 mL of 0.108 M NaOH is required to titrate the excess HCI then how many moles of sodium carbonate were present in the original sample? Hint: The moles of Na2CO3 present is equal to one- half the number of H30* moles and...
Postlab Questions 1. Write a balanced equation for the gas evolution reaction between aqueous solutions of sodium carbonate and hydrochloric acid. 2. What is the molar ratio of sodium chloride to sodium carbonate from the above balanced equation? Describe how your results (Calculation 1j.) compare to this ratio. 3. Write a balanced equation for the gas evolution reaction between aqueous solutions of sodium bicarbonate and hydrochloric acid. 4. What is the molar ratio of sodium chloride to sodium bicarbonate from...
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