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A sample of hydrogen gas occupies 17.5 L at STP. How many moles of the gas are present? Answer in units of mol.
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1 vote
A sample of hydrogen gas occupies 17.5 L at

STP. How many moles of the gas are present?
Answer in units of mol.

User Jarno Argillander
by
5.3k points

1 Answer

3 votes

Answer:

0.781 mol

Step-by-step explanation:

1 mol any gas under STP has volume 22.4 L.

17.5 L * 1 mol/22.4L = 0.781 mol

User Muers
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