By using water displacement method, 128 mL of oxygen gas was collected from the decomposition of potassium chlorate at 24 C and atmospheric pressure of 762 mm Hg. Calculate the mass of the oxygen gas obtained. The vapour pressure of water at 24°C was 24 mm Hg.

By using water displacement method, 128 mL of oxygen gas was collected from the decomposition of potassium chlorate at 24 C and atmospheric pressure of 762 mm Hg. Calculate the mass of the oxygen gas obtained. The vapour pressure of water at 24°C was 24 mm Hg.

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

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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.

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By using water displacement method, 128 mL of oxygen
gas was collected from the decomposition of potassium
chlorate at 24°C and atmospheric pressure of 762 mm
Hg. Calculate the mass of the oxygen gas obtained. The
vapour pressure of water at 24°C was 24 mm Hg.

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