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A 0.450 g sample of impure CaCO, (s) is dissolved in 50.0 mL of 0.150 M HCI(aq). The equation for the reaction is CACO, (s) + 2 HCl(aq) → CaCl, (aq) + H,O(1) + CO,(g) The excess HCl(aq) is titrated by 4.35 mL of 0.125 M NaOH(aq). Calculate the mass percentage of CACO,(s) in the sample.

A 0.450 g sample of impure CaCO, (s) is dissolved in 50.0 mL of 0.150 M HCI(aq). The equation for the reaction is CACO, (s) + 2 HCl(aq) → CaCl, (aq) + H,O(1) + CO,(g) The excess HCl(aq) is titrated by 4.35 mL of 0.125 M NaOH(aq). Calculate the mass percentage of CACO,(s) in the sample.

Chemistry: The Molecular Science
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter3: Chemical Reactions
Section: Chapter Questions
Problem 109QRT: Vitamin C is ascorbic acid, HC6H7O6, which can be titrated with a strong base. HC6H7O6(aq) +...
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A 0.450 g sample of impure CaCO, (s) is dissolved in 50.0 mL of 0.150 M HC1(aq). The equation for the reaction is CACO, (s) + 2 HCI(aq) → CaCl, (aq) + H,O(1) + CO,(g) The excess HCl(aq) is titrated by 4.35 mL of 0.125 M NaOH(aq). Calculate the mass percentage of CaCO, (s) in the sample.
Transcribed Image Text:A 0.450 g sample of impure CaCO, (s) is dissolved in 50.0 mL of 0.150 M HC1(aq). The equation for the reaction is CACO, (s) + 2 HCI(aq) → CaCl, (aq) + H,O(1) + CO,(g) The excess HCl(aq) is titrated by 4.35 mL of 0.125 M NaOH(aq). Calculate the mass percentage of CaCO, (s) in the sample.
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