First slide

Concentration methods

Question

2 litres of 0.6 M NaOH and 3 litres 0.2 M Ba(OH)₂ are mixed with each other. Normality of the resultant mixture is ----- N

Moderate

A

0.24
B

0.48
C

0.6
D

0.36

Solution

$N = \frac{V_{1} N_{2} + V_{2} N_{2}}{Total volume of the mixture}; N = \frac{2 (0.6) 1 + 3 (0.2) 2}{5}; N = 0.48 N;$

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