2 When zinc metal is added to hydrochloric acid, the following reaction takes place Zn(s) + 2 HCl(aq) → ZnCl₂(aq) + H₂(g) Calculate the volume of H₂ gas collected over water at 30.0 °C when 72.9 g of zinc is added to excess hydrochloric acid if the total pressure is 695 torr. The vapor pressure of water at 30.0 °C is 31.8 torr.

2 When zinc metal is added to hydrochloric acid, the following reaction takes place Zn(s) + 2 HCl(aq) → ZnCl₂(aq) + H₂(g) Calculate the volume of H₂ gas collected over water at 30.0 °C when 72.9 g of zinc is added to excess hydrochloric acid if the total pressure is 695 torr. The vapor pressure of water at 30.0 °C is 31.8 torr.

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

Mole Concept

Mole concept is a method to determine the amount of any substance that consists of some elemental particles using a grouping unit called ‘mole’. The mole concept enables one to handle the large amount of small elementary particles. The mole concept can be used in many calculations related to mole calculation, molar amount, mole ratio, and so on, which are significant in chemistry.

Question

3:40 PM Tue Jan 17
When zinc metal is added to hydrochloric
acid, the following reaction takes place
Zn(s) + 2 HCl(aq) → ZnCl₂(aq) + H₂(g)
Calculate the volume of H₂ gas collected
over water at 30.0 °C when 72.9 g of zinc is
added to excess hydrochloric acid if the
total pressure is 695 torr. The vapor
pressure of water at 30.0 °C is 31.8 torr.
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