1.

Equal volumes of 10% solution (by wt) of the solute A and 15 % solution (by wt) of the solute B are mixed. The mass percent of A and B in the mixture would be respectively

Answer»

5 and 7.5
10 and 25
5 and 10
20 and 30

Solution :As equal volume of two solution are mixed the final volume i.e. the volume of MIXTURE would be DOUBLED. HENCE each % will become half.


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