1177 B.C. (Revised and Updated): The Year Civilization Collapsed

1177 B.C. (Revised and Updated): The Year Civilization Collapsed

Kimia coba tentukan % berat atom hidrogen pada senyawa gas metana (CH4)?

coba tentukan % berat atom hidrogen pada senyawa gas metana (CH4)?

Jawaban:

Penjelasan:

Mr CH4 = C + 4H

Mr CH4 = 12 + 4

Mr CH4 = 16

[tex]\text{Persentase H}} = \frac{\text{Ar H} \times 4}{\text{Mr Senyawa}} \times 100 \%\\\text{Persentase H} = \frac{4}{16} \times 100 \%\\\text{Persentase H} = 25 \%[/tex]

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