Question #af490

1 Answer
David Drayer
Sep 29, 2016

512 grams.

Explanation:

At STP one mole of gas will occupy 22.4 liters. ( This is Avogardo's volume which will contain Avogardo's number of molecules # 6.02 x 10^23#

To find the number of moles divide 162 Liters the volume by the molar volume of 22.4 liters/mole

# 162/22.4# = 7.23 moles.

Now multiply the number of moles time the grams per mole for chlorine gas.

Chorine can form either a diatomic gas or at lower temperatures a complex of 8 chlorines. For this problem assume the more common diatomic gas. This molecule has two Chlorines.

2 moles x 35.4 grams/mole = 70.8 grams

Now multiply the grams/mole by the number of moles.

70.8 g/ moles x 7.23 moles = 512 grams

In most problems it is best to change to moles.

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