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A certain liquid X has a normal boiling point of 143.70C and a boiling point elevation constant Kb=1.09Ckgmol1. A solution is prepared by dissolving some

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A certain liquid X has a normal boiling point of 143.70C and a boiling point elevation constant Kb=1.09Ckgmol1. A solution is prepared by dissolving some ammonium chloride (NH4Cl) in 500.g of X. This solution boils at 144.7C. Calculate the mass of NH4Clthatwasdissolved. Be sure your answer is rounded to the correct number of significiant digits

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