The van't Hoff's factor for \( 0.1 M \mathrm{Ba}\left(\mathrm{NO}_{3}\right)_{2} \) solution is ...
The van't Hoff's factor for \( 0.1 M \mathrm{Ba}\left(\mathrm{NO}_{3}\right)_{2} \) solution is \( 2.74 \). The degree of dissociation is:
(A) \( 91.3 \% \)
(B) \( 87 \% \)
(C) \( 100 \% \)
(D) \( 74 \% \)
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