Sea water is found to contain NaCl and MgCl2 If NaCl is 80% ionised and MgCl2 is 50% ionised - Chemistry - Solutions

Question

Sea water is found to contain NaCl and MgCl2 If NaCl is 80% ionised
and MgCl2 is 50% ionised then van't Hoff factor is ---->1 3 /5/3
3/3 8

Vartika Jain · Accepted Answer

Dear Student,

We know that,Degree of dissociation (α) = i-1n-1For NaClNaCl ↔ Na+  + Cl-n=2α=0
80So, 0 80=i-12-1or, i=0 80+1=1
80For MgCl2MgCl2 ↔ Mg2++2Cl-n=3α=0
50So, 0 50=i-13-1or, i-1=0
50×2or, i-1=1or, i=1+1=2So, Total i=1
80+2=3 8

Sea water is found to contain NaCl and MgCl2. If NaCl is 80% ionised and MgCl2 is 50% ionised then van't Hoff factor is ---->1.3 /5/3.3/3.8