Geography, 26.03.2021 06:30 kingsqueen883
1. If 50.69% of Potassium (K) is K-45 and 49.31% is K-39, what is the average atomic mass of Potassium?
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1. If 50.69% of Potassium (K) is K-45 and 49.31% is K-39, what is the average atomic mass of Potassi...
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