Question

500 cc of 2N NaOH solution neutralizes with
600 cc of 4 N HCl. The amount of sodium
hydroxide neutralized is:
(a) 80 g
(b) 40 g
(c) 20 g
(d) 10 g​

Answer 1

Answer:

(d) 10 g

Explanation:

Answer 2

The amount of sodium  hydroxide neutralized is 40 g

Explanation:

As NaOH completely gets neutralized.

Normality of a solution is defined as the number of gram equivalents of solute dissolved per Liter of the solution.

$Normality=\frac{\text {number of gram equivalents}\times 1000}{\text {Volume in ml}}$

$Normality=\frac{n\times 1000}{V_s}$

where,

n= gram equivalents of solute

Equivalent mass=

gram equivalents=  

= volume of solution in ml= 500 ml

$2N=\frac{x\times 1000}{40\times 500}$

$x=40g$

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