Calculate the number of moles of each constituent of KMnO₄v
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Mass = # moles x molar mass Molar mass of KMnO4 = 158.0 g/mole Mass of KMnO4 needed = 0.0025 mol x 158.0 g/mole = 0.395 g of KMnO4 So, weigh 0.395 g of KMnO4 and dissolve them in 250 ml volumetric
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