01-05-2020
Chemistry

contestada

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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SvetkaChem SvetkaChem

01-05-2020

Answer:

0.781 mol

Explanation:

1 mol any gas under STP has volume 22.4 L.

17.5 L * 1 mol/22.4L = 0.781 mol

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