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Chemistry , 24.06.2020 14:01

5. A 25.0 gram sample of a compound contains 6.64 grams of potassium (K, at. wt. = 39.1), 8.84 grams of chromium (Cr, at. wt. = 52.0), and 9.52 grams of oxygen (O, at. wt. = 16.0). Find the empirical formula of this compound.

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