3. Chemical Reactions
Empirical Formula
Multiple Choice
Multiple ChoiceA compound composed of potassium, manganese and oxygen contains 3.12 g potassium and 1.922 x 1023 oxygen atoms. If a sample of the compound weighs 12.61 g determine its empirical formula?
A
KMnO4
B
KMnO2
C
Mn2O9
D
K2M4O2
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