If you have 110.0 grams of an unknown compound that contains 12.3 grams of hydrogen, what is the percent by mass of hydrogen in the compound

Answer : The percent by mass of hydrogen in the compound is, 11.18 %

Explanation : Given,

Mass of unknown compound = 110.0 g

Mass of hydrogen = 12.3 g

Now we have to calculate the percent by mass of hydrogen in the compound.

Now put all the given values in this formula, we get:

Therefore, the percent by mass of hydrogen in the compound is, 11.18 %

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