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QUESTION

A 30.62 gram sample of chromium is heated in the presence of excess oxygen. a metal oxide is formed with a mass of 44.75 g. determine the empirical formula of the metal oxide.

A 30.62 gram sample of chromium is heated in the presence of excess oxygen. a metal oxide is formed with a mass of 44.75 g. determine the empirical formula of the metal oxide.

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