Answer to Question #18588 in Inorganic Chemistry for Hayley

Question #18588

What is the empirical formula of a compound composed of 32.5 g potassium (K) and 6.65 g oxygen (O)?

Expert's answer

n (K) = 32.5/39 = 0.833 moln(O) = 6.65/16 = 0.415 mol
n(K) : n(O) = 2:1

Empirical formula: K₂O

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