MEDIUMMCQ SINGLEJEE Advanced ChemistryPhysical ChemistrySolutionsGeneral

To a 4L of 0.2M solution of NaOH, 2L of 0.5 M NaOH are added. The molarity of resulting solution is :

A.0.9 M

B.0.3 M✓ Correct

C.1.8 M

D.0.18 M

Explanation

The molarity of a solution formed by mixing of two solution is calculated by following equation. 1 1 2 2 mix 1 2 M V +M V M = V +V mix 0.2 4 0.5 2 0.8 1 M 0.3M 4 2 6 x x >>

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