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Question

Calculate the volume of 6.8 g of NH3 at standard temperature and pressure.

A
8.05 L
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B
8.22 L
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C
8.96 L
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D
7.96 L
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Solution

The correct option is C 8.96 L
Number of moles of NH3 = given massmolar mass=6.817=0.4 moles
1 mole of a gas occupies 22.4 L at standard temperature and pressure.
0.4 moles of a gas will occupy 22.41×0.4=8.96 L

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