Question

calculate the moles of hydrogen present in a 500ml sample of hydrogen gas at a pressure of 1 bar and 27°c​

Answer 1

Answer:

Answer

500 cm

3

=0.5 L,760 mm of Hg=1 atm.

Now apply the gas equation, n=

RT

PV

n=

0.0821×300

1×0.5

⟹n=2.03×10

−2

mol

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