Question

All star marked Questions are multiple correct with one or more than one Answer. W IIAL What is the molarity and molality of a 13% solution (by weight) of sulphuric acid with a density of 1.02 m To what volume should 100 ml of this acid be diluted in order to prepare a 1.5 N solution? [UIT-1978] C ohion in solution

JEE/Engineering Exams

Chemistry

Solution

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Mslaily = '/ by meight x density x 10 [ begin{array}{l} =frac{13 times 1.02 times 10}{98} =frac{132.6}{98}=1.35 mathrm{M} end{array} ] ( 13 % ) selution by weight means asat ( 13 mathrm{g} ) ( y_{2}=180 mathrm{mL} ) Go the aid should be diluted upto i Po ML to Mepare ( 1.5 mathrm{N} ) soln