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  • The value of observed molecular weight of silver nitrate is

The value of observed molecular weight of silver nitrate is \mathrm{142.6 \: gram/mole} , in an aqueous solution, the degree of dissociation of silver nitrate in this solution is  

Option: 1

30 \%


Option: 2

42 \%


Option: 3

19 \%


Option: 4

25 \%


Answers (1)

best_answer

\mathrm{i=\frac{M_{C A L}}{M_{O B S}} }

\mathrm{i=\frac{\mathrm{M_{AgNO_{3}}}}{142.6}=\frac{170}{142.6}=1.192 }

\mathrm{\text { For } \mathrm{AgNO}_{3} }
\mathrm{ i=1+(n-1) \alpha }
\mathrm{n=2, i=1.192 },
\mathrm{ \alpha=1.192-1}
\mathrm{ \alpha=0.19}

Hence 19 \% ionization.

Posted by

Ritika Kankaria

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