Chemistry
Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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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 b…
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A sample of helium gas at a pressure of 640. torr and a temperature of 29.9°C, occupies a volume of 516 mL. If the gas is compressed at constant temperature until its pressure is 960. torr, the volume of the gas sample will be  mL.

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