Question

ग्न-7 यदि 100 ml NaOH विलयन में 0.4g NaOH घुला हो तो विलयन की नार्मलता परिकलित कीजिए।
[2]​

Answer 1

Answer:

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Answer 2

Answer:

Weight of NaOH(w) = 0.4g

molar mass of NaOH(m) = 40 g/mol

Volume of Solution (V) = 100ml = 0.1L

X factor = no. of anions x charge on anions = no. of cations x (charge on cations

X factor for NaOH = 1x1=1

Equivalent mass (E) = molar mass/X factor Equivalent mass of NaOH(E)= 40/1-40

Normality (N) = w/(ExV)

N = 0.4/(40x0.1)

N=0.4/4

Normally of the Solution (N) = 0.1g-eq./L

Explanation:

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