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64) Calculate the concentration of potassium (K) in parts per million of solution prepared by dissolving 20g of KNO3 in 500ml of solution. (Atomic

64) Calculate the concentration of potassium (K) in parts per million of solution prepared by dissolving 20g of KNO3 in 500ml of solution. (Atomic masses are K-39 amu, N=14amu, 0=16amu)

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