Chemical Forums
Chemistry Forums for Students => Undergraduate General Chemistry Forum => Topic started by: justin632 on December 24, 2017, 06:27:57 AM
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A 1.420 g sample of gaseous compound occupies 215 mL at 31.2 °C and 836 mmHg. The compound consists of 42.6 % O , 48.0 % C and 9.40 % H by mass. What is the molecular formula of the compound?
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What have you tried? Can you calculate, for instance, the empirical formula from the percentage data? Or the molecular mass from the other data points?