1.

Two solutions of a substance (non-electroyte) are mixed in the following manner `480 mL` of `1.5M` of first solution with `520 mL or 1.2M` of second solution. The molarity of final solution is:A. 2.70MB. 1.344 MC. 1.50 MD. 1.20 M

Answer» Correct Answer - B
Total molarity `=(M_(1) V_(1)+M_(2)V_(2))/(V_(1) + V_(2))`
`(1.5 xx 480 + 1.2 xx 520)/(480 + 520)=1.344 M `


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