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29 September, 14:38

What is the percent composition of hydrogen in a compound if the mass of the initial compound is 276 grams and the mass of collected hydrogen after decomposition is 41.4 grams?

A.

6.6%

B.

10.0%

C.

15.0%

D.

21.2%

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Answers (1)
  1. 29 September, 15:04
    0
    Answer;

    15 %

    Explanation;

    Mass of hydrogen collected after decomposition = 41.4 grams

    Mass of the initial compound = 276 grams

    Percentage composition of hydrogen;

    = (41.4 / 276) * 100%

    = 15.0 %
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