For each of the following dilute solutions, Van't Hoff's factor is equal to 3, except — Solutions and Colligative Properties Chemistry Question

💡 Solution & Explanation

$Na_2SO_4$ → 3 ions (i=3); $CaF_2$ → 3 ions (i=3); K3PO4 → 4 ions (i=4); (NH4)2CO3 → 3 ions (i=3). K3PO4 has i = 4, not 3.