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Percent Composition/Empirical Formula Practice

Last updated about 1 month ago

7 Nsɛmmisa

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1

1

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4.

What is the percent composition of N in dinitrogen disulfide? (Round to 4 sig figs)

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1

1

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1.

What is the percent composition of N in ammonium sulfide? (Round to 4 sig figs)

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2.

What is the percent composition of H in ammonium sulfide? (Round to 4 sig figs)

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3.

What is the percent composition of S in ammonium sulfide? (Round to 4 sig figs)

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5.

What is the percent composition of S in dinitrogen disulfide? (Round to 4 sig figs)

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6.

An unknown compound is composed of 68.4% chromium and 31.6% oxygen. What is the empirical formula?

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7.

An unknown compound is found to be composed of 29.84 g sodium, 67.49 g chromium, and 72.67 g oxygen. What is the empirical formula?