Question

find molarity and normality of solution obtained by mixing 100ml of 0.2M H2So4 with 50 ml of 0.1 M HCL..
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Answer 1

Answer:

molarity=0.16

normality= 0.3

Explanation:

use the formula =M1V1 + M2V2 = MrVr

(0.2 × 100) + (0.1×50)=(150×Mr)

: 25 =150 × Mr

therefore Mr= 0.16

Normality can be found out by this formula,

N1V1 + N2V2 = NrVr

N1=M1×f, where f=factor of acid i.e no. of ionisable or repracable H+ ions per atom of acid

:(0.2×2×100) + (0.1×1×50) = Nr×150

40 + 5 = Nr × 150

therefore, Nr=45/150=0.3

Answer 2

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