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12-06-2018
Chemistry

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what is the molarity of a solution of K2SO4 prepared by dissolving 2.50g of this compound in 280.0ml of water?

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24-06-2018

n = m/M = 2.5 / 174.252 = 0.01434704 moles

c = n/V = n / 0.28 = 0.051 moles/dm3

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