Interpretation:
The mass percent of the hydrogen in the compound needs to be determined.
Concept introduction:
For any compound, the mass percent of any element present in it can be calculated as follows:
Answer to Problem 19PP
15.89%
Explanation of Solution
The mass of the unknown compound is 78 g and the mass of hydrogen present in it is 12.4 g.
The mass percent of hydrogen in the compound can be calculated as follows:
Putting the values,
Thus, the mass percent of H is 15.89%.
Chapter 3 Solutions
Glencoe Chemistry: Matter and Change, Student Edition
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