A solution of K2Cr2O7 is prepared in 100 ml flask by weighing 9.8 grams. If density of the solution is 1.1 gm/ml the molarity , normality and molality of a solution are respectively

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a solution of potassium dichromate is prepared in 100 ml flask by 9.8gram.if density of the solution is 1.1 g/ml,the molarity , normality and molality of the solution are
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