Engineering Board Exam Reviewer · Chemistry · medium

How many moles of an ideal gas occupy 11.2 L at STP (0 °C, 1 atm)?

1. 0.5 mol
2. 2 mol
3. 11.2 mol
4. 0.25 mol

Answer

A. 0.5 mol

Solution

n = 11.2/22.4 = 0.5 mol.

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