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What is the hypothetical van’t Hoff factor of magnesium nitrate, Mg(NO3)2?
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Answer:
The hypothetical van’t Hoff factor of magnesium nitrate,[tex]Mg(NO_3)_2[/tex] is 3 .
Explanation:
Lets calculate –
[tex]Mg(NO_3)_2\rightarrow Mg^2^+ +2NO_3^-[/tex]
We know that ,
[tex]i=\alpha n+(1-\alpha )[/tex]
Dissociation should be 100% for the hypothetical vant hoff factor , that is
[tex]\alpha =1[/tex] and [tex]n=3[/tex] for [tex]Mg(NO_3)_2[/tex]
Therefore , putting the given values ,
[tex]i=1\times3+(1-1 )[/tex]
[tex]i=3+0[/tex]
[tex]i=3[/tex]
Hence , the answer is 3.