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Types of Redox Reactions

20 ml of HCl ...

Question

20 ml of HCl solution requires 19.85 ml of 0.01M NaOH solution for complete neutralization. The molarity of HCl solution in

A

0.0099

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B

0.099

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C

0.99

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D

9.9

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Solution

The correct option is A 0.0099
$M_{1} V_{1} = M_{2} V_{2}$
0.01 $\times$ 19.85 = M2 $\times$ 20
M2 = 0.0099

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