Question

Calculate volume of 0.1 N HCl needed for complete neutralization of 20 ml of 0.5 N NaOH.​

Answer 1

Explanation:

Answer

Correct option is

A

40ml

n-factor of NaOH = 1

n-factor of HCl = 1

As we know, N

1

V

1

=N

2

V

2

(0.1×1)(.02)=(.05×1)×V

2

V

2

=0.04 litre

V

2

=40ml

Answer 2

Answer:Correct option is

A

40ml

n-factor of NaOH = 1

n-factor of HCl = 1

As we know, N  

1

​

V  

1

​

=N  

2

​

V  

2

​

 

(0.1×1)(.02)=(.05×1)×V  

2

​

 

V  

2

​

=0.04 litre

V  

2

​

=40ml

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Explanation: