Question
A piece of chalk (mainly calcium carbonate) is placed in 250. mL of 0.265 M HCl. All the CaCO 3 reacts, releasing carbon dioxide gas
A piece of chalk (mainly calcium carbonate) is placed in 250. mL of 0.265 M HCl. All the CaCO3 reacts, releasing carbon dioxide gas and leaving 250. mL of a clear solution. 35.00 mL of the solution is pipetted into another flask. 34.9 mL of 0.0533 M NaOH is required to titrate the HCl remaining in this 35.00-mL portion. What was the original mass of CaCO3 in the piece of chalk?
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Statistical Reasoning for Everyday Life
Authors: Jeff Bennett, Bill Briggs, Mario F. Triola
4th edition
978-0321817747, 321817745, 978-0321890139, 321890132, 321817621, 978-0321817624
