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Question

In an experiment during the analysis of a carbon compound, 145 l of H2 was collected at 760 mm Hg pressure and  27C temperature. The mass of H2 is nearly 



Your Answer
A

10 g

Correct Answer
B

12 g

Your Answer
C

24 g

Your Answer
D

g


Solution

The correct option is B

12 g


PV=nRT,n=PVRT = 1×1450.082×3 = 5.8 6 mole

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