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What is the number of moles of gas in 20.0 L of oxygen at STP?

1 Answer

Oct 13, 2016

An ideal gas at STP occupies 22.4 liters. Calculating Oxygen as if it were an ideal gas there are .893 moles of Oxygen in 20.0 liters.

Explanation:

# 20.0/22.4# = .89285 rounding this off to three significant numbers

gives 0.893 moles.

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