3.40 What is the molecular formula of each compound? (a) Empirical formula CH$_2$ ($M$ = 42.08 g/mol) (b) Empirical formula NH$_2$ ($M$ = 32.05 g/mol) (c) Empirical formula NO$_2$ ($M$ = 92.02 g/mol) (d) Empirical formula CHN ($M$ = 135.14 g/mol)
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The molar mass of carbon (C) is 12.01 g/mol. The molar mass of hydrogen (H) is 1.01 g/mol. The molar mass of nitrogen (N) is 14.01 g/mol. To find the molar mass of the empirical formula CHN, we add the molar masses of each element: 12.01 g/mol (C) + 1.01 g/mol Show more…
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What is the molecular formula of each compound? (a) Empirical formula $\mathrm{CH}_{2}(M=42.08 \mathrm{g} / \mathrm{mol})$ (b) Empirical formula $\mathrm{NH}_{2}(\mathscr{M}=32.05 \mathrm{g} / \mathrm{mol})$ (c) Empirical formula $\mathrm{NO}_{2}(\mathscr{M}=92.02 \mathrm{g} / \mathrm{mol})$ (d) Empirical formula CHN $(M=135.14 \mathrm{g} / \mathrm{mol})$
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