A scuba cylinder of volume 12 L is filled with air at a pressure of 200 atm and a…

CHEMISTRY · Single correct · A Level · Chemistry · Amount of substance · Amount of substance

Problem

A scuba cylinder of volume 12 L is filled with air at a pressure of 200 atm and a temperature of 20 °C. Approximately how many moles of air are contained in the cylinder? (a) 1.5×103 mol1.5\times10^{3}\,\text{mol} (b) 1.0×102 mol1.0\times10^{2}\,\text{mol} (c) 1.0 mol1.0\,\text{mol} (d) 1.2×101 mol1.2\times10^{1}\,\text{mol}

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