The mass of the hydrogen is obtained as 0.302 g.
<h3>What is the mass of hydrogen?</h3>
A hydrocarbon is a compound that contains only carbon an hydrogen. The amount of the carbon and the hydrogen can be found by combustion.
The mass of hydrogen can be obtained as follows;
Number of moles of hydrogen =2.7 g/18 g/mol * 2 = 0.302 moles
Now the mass of hydrogen is obtained from;
0.302 moles * 1 g/mol = 0.302 g
Learn more about combustion of a compound:brainly.com/question/14272505
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