Mole ConceptHard

Question

If a definite volume of ‘20 vol’ H2O2 solution is diluted such that the volume of diluted solution becomes double than that of original volume, then

Options

A.the volume strength of diluted solution becomes ‘40 vol’
B.The molarity of solution becomes half of its initial molarity
C.The molality of solution becomes half of its initial molality
D.The maximum amount of O2 gas obtainable from the solution remains the same

Solution

V × 20 = 2V × S ⇒ S = 10 vol.

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