In the given compound, 0.2 mole of C₂H₆O will contain 1.2 moles of hydrogen.
In the balanced chemical compound C₂H₆O, we can deduce the following;
1 mole of C₂H₆O contains 6 moles of hydrogen
0.2 mole of C₂H₆O = ?
= 0.2 x 6 moles = 1.2 moles of hydrogen
Thus, in the given compound, 0.2 mole of C₂H₆O will contain 1.2 moles of hydrogen.
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