Question

The per cent composition of an unknown substance is 75.42 % Carbon, 6.63 % Hydrogen,
8.38 % Nitrogen, and 9.57 % Oxygen. If its molar mass is 334.0 g/mol what is its empirical and
molecular formula?

Answer 1

Answer:

mass of the empirical formula is 259.64 g/mol. = 519 g/mol

Explanation:

The molecular formula is Hg2C4H6O4. One of the most deadly poisons, strychnine, has a formula weight of 334 g/mol and the composition 75.42% C, 6.63% H, 8.38% N; the rest is oxygen.

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