Question: please help with number 13 12. A Pure compound is found to contain 65.7% carbon and 1.2% hydrogen. The remainder is oxygen. What is the

please help with number 13 please help with number 13 12. A Pure compound is found to

12. A Pure compound is found to contain 65.7% carbon and 1.2% hydrogen. The remainder is oxygen. What is the empirical formula of their pure compound? 13. A sample of pure compound is composed of 40.0% carbon, 6.7% hydrogen, and 53.3% of oxygen. The molar mass of this pure compound is about 342.3 grams. Determine the empirical formula, the molar mass given by the empirical formula and the molecular formula

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