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Question

Question: 20 ml of 19.85 ml of HCl solution is....

20 ml of 19.85 ml of HCl solution is.

A

0.0099

B

0.099

C

0.99

D

9.9

Answer

0.0099

Explanation

Solution

M1V1=M2V2M _ { 1 } V _ { 1 } = M _ { 2 } V _ { 2 }

0.01×19.85=M2×200.01 \times 19.85 = M _ { 2 } \times 20

M2=0.009925M _ { 2 } = 0.009925; M=0.0099M = 0.0099.