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Two solution of a substance (non electro...

Two solution of a substance (non electrolyte) are mixed in the following manner:
480 mL of 1.5 M first solution +520 mL of 1.2 M second solution.
What is the molarity of the final mixture?

A

`1.20M`

B

`1.50M`

C

`1.344M`

D

`2.70M`

Text Solution

Verified by Experts

The correct Answer is:
C
Total milimoles of solute `=480xx1.5+520xx1.2=720+624=1344`.
Total volume `=480+520=1000`.
Molarity of the final mixture `=(1344)/(1000)=1.344M`.
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