A compound is found to contain 64.80 % carbon, 13.62 % hydrogen, and 21.58 % oxygen by weight. To answer the questions, enter the elements in the order presented above. 1. What is the empirical formula for this compound

Explanation:

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In this case, since the empirical formula of compounds whose by-mass compositions are known, is computed by first computing the moles considering those compositions as actual masses:

Next, we divide each moles by the fewest ones, in this case those of oxygen to obtain the subscript in the empirical formula:

Thus, we obtain:

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it is the most commonly accepted one