If you have 210.3 grams of an unknown compound that contains 12.3 grams of hydrogen (H), what is the percent by mass of hydrogen in the compound

asked Sep 4, 2018 223k views

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the percent by mass of hydrogen in the compound is found by doing: (12.3/210.3) x 100 = 6%
Hope this will help

Alex Hoppus answered Sep 10, 2018

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