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Today at 6:40 PM
Chemistry

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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

Answer :

Today at 6:45 PM

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

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