Question

20ml of hcl solution
requires 19.85ml o
0.01M
NaOH Solution for complete neutrali
zation. The molarity of
Hcl solution is-​

Answer 1

Answer:

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Answer 2

Answer:

The equation for the reaction is:

 HCl + NaOH = NaCl + H2O

Mole ratio

HCl : NaOH = 1:1

No. of moles of NaOH = No. of moles of HCl

No. of moles of NaOH = Volume in litres x molarity

= (19.85/1000) x 0.01

= 0.0001985 moles

No. of moles of HCl = Volume in litres x molarity

         0.0001985 = (20/1000) x molarity

Molarity of HCl = 0.0001985/0.02

                       = 0.009925 M

Approximately: 

= 0.01M