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Solution - A solution is obtained by mixing 300g of 25% solution and 400g of 40% solution by mass. Calculate the mass percentage of the resulting solution - CBSE (Science) Class 12 - Chemistry

Question

A solution is obtained by mixing 300 g of 25% solution and 400 g of 40% solution by mass. Calculate the mass percentage of the resulting solution.

Solution

Total amount of solute present in the mixture is given by,

`300 xx 25/100+400xx40/100`

=75+160

=235g

Total amount of solution = 300 + 400 = 700 g

Therefore, mass percentage (w/w) of the solute in the resulting solution = `235/700xx100%`

= 33.57%

And, mass percentage (w/w) of the solvent in the resulting solution,

= (100 − 33.57)%

= 66.43%

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Reference Material

Solution for question: A solution is obtained by mixing 300g of 25% solution and 400g of 40% solution by mass. Calculate the mass percentage of the resulting solution concept: Expressing Concentration of Solutions. For the courses CBSE (Science), CBSE (Arts), PUC Karnataka Science, CBSE (Commerce)
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