The molarity of a solution obtained by mixing 750 mL of 0.5 M HCI with 250 mL of 2M HCI will 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

From the formula, Mf=M1V1+M2V2V1+V2 Given, V1=750 mL,M1=0.5MV2=250 mL,M2=2M=750×0.5+250×2750+250=8751000=0.875M

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