An analysis of 10.0 grams of sample of a compound is found to contain 27.0 percent sodium (na), 16.5 percent nitrogen (n), and 56.5 percent oxygen (o). determine the empirical formula of the compound.

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Chemistry

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27 March, 14:05

An analysis of 10.0 grams of sample of a compound is found to contain 27.0 percent sodium (na), 16.5 percent nitrogen (n), and 56.5 percent oxygen (o). determine the empirical formula of the compound.

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Oswaldo Odonnell · Answer 1

M Na : mN : mO = 27 : 16,5 : 56,5

NaxNyOz

23x : 14y : 16z = 27 : 16,5 : 56,5

x : y : z = 1,2: 1,2 : 3,5

x : y : z = 1 : 1 : 2,91 (~3)

Empirical formula of this compound is NaNO3.

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