The molarity of a solution obtained by mixing 750 mL of 0.5 M HCl with 250 mL of 2 M HCl willl be

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0.875 M

1.00 M

1.75 M

0.0975 M

answer is A.

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Detailed Solution

The molarity of a resulting solution is given byM=M1V1+M2V2V1+V2=750 × 0.5 + 250 × 2750+250=8751000 = 0.875M

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