Larutan glukosa 6M isotonis dengan larutan NH4OH 4M nilai derajat ionisasi larutan NH4OH tsb adalah...

phi glukosa = phi NH4OH
M R T = M R T (1+(n-1)alfa)
6 = 4 (1+(2-1)alfa)
6 = 4(1+alfa)
6 = 4 + 4alfa
alfa = 2/4
= 1/2
= 0,5
= 50%