Q.
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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a
0.875 M
b
1.00 M
c
1.75 M
d
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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