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) \( 74 \% \) 📲PW App Link - https://bit.ly/YTAI_PWAP 🌐PW Website - https://www.pw.live