A 0.450 g sample of impure CaCO,(s) is dissolved in 50.0 mL of 0.150 M HCl(aq).The equation for the reaction isCACO, (s) + 2 HCI(aq)CaCl, (aq) + H,O(1) + CO,(g)>The excess HCI(aq) is titrated by 4.60 mL of 0.125 M NaOH(aq).Calculate the mass percentage of CaCO,(s) in the sample.mass percentage:

Mass of impure CaCO3 = 0.450 g Molarity of HCl added = 0.150 M Volume of HCl added = 50.0 mL…

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 HCI(aq) → CaCl, (aq) +H,O(1) + CO,(g) The excess HCl(aq) is titrated by 4.60 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 HCI(aq) → CaCl, (aq) +H,O(1) + CO,(g) The excess HCl(aq) is titrated by 4.60 mL of 0.125 M NaOH(aq). Calculate the mass percentage of CaCO,(s) in the sample.

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Concept explainers

Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.

Question

A 0.450 g sample of impure CaCO,(s) is dissolved in 50.0 mL of 0.150 M HCl(aq).
The equation for the reaction is
CACO, (s) + 2 HCI(aq)
CaCl, (aq) + H,O(1) + CO,(g)
>
The excess HCI(aq) is titrated by 4.60 mL of 0.125 M NaOH(aq).
Calculate the mass percentage of CaCO,(s) in the sample.
mass percentage:

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