The observed and normal molar masses of compound $MX_2$ are $65.6$ and $164$ respectively. The percent degree of ionisation of $MX_2$ is ...... %. (Nearest integer)

Question

Dr. Abubacker · Accepted Answer

[Solution by Dr. Abubacker] $i=\frac{	ext{normal M}}{	ext{observed M}}=\frac{164}{65.6}=2.5$. $MX_2ightleftharpoons M^{2+}+2X^-$ gives $i=1+2\alpha\Rightarrow\alpha=0.75=75\%$. Answer: 75.

Q. The observed and normal molar masses of compound $MX_2$ are $65.6$ and $164$ respectively. The percent degree of ionisation of $MX_2$ is ...... %. (Nearest integer)

Explanation

Reviewed by Dr. Abubacker

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