A piece of chalk (mainly calcium carbonate) is placed in 250. mL of 0.299 M HCl. All the CaCO3 reacts, releasing carbon dioxide gas and leaving 250. mL of a clear solution. 20.00 mL of the solution is pipetted into another flask. 17.1 mL of 0.0506 M NaOH is required to titrate the HCl remaining in this 20.00-mL portion. What was the original mass of CaCO3 in the piece of chalk?
A piece of chalk (mainly calcium carbonate) is placed in 250. mL of 0.299 M HCl. All the CaCO3 reacts, releasing carbon dioxide gas and leaving 250. mL of a clear solution. 20.00 mL of the solution is pipetted into another flask. 17.1 mL of 0.0506 M NaOH is required to titrate the HCl remaining in this 20.00-mL portion. What was the original mass of CaCO3 in the piece of chalk?
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Chapter4: Chemical Reactions
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A piece of chalk (mainly calcium carbonate) is placed in 250. mL of 0.299 M HCl.
All the CaCO3 reacts, releasing carbon dioxide gas and leaving 250. mL of a clear solution.
20.00 mL of the solution is pipetted into another flask.
17.1 mL of 0.0506 M NaOH is required to titrate the HCl remaining in this 20.00-mL portion.
What was the original mass of CaCO3 in the piece of chalk?
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