Solutions

The number of pairs of the solutions having the same value of the osmotic pressure from the following is _________.

(Assume 100% ionization)

A. 0.500 \(\mathrm{M~C_2H_5OH~(aq)}\) and 0.25 \(\mathrm{M~KBr~(aq)}\)

B. 0.100 \(\mathrm{M~K_4[Fe(CN)_6]~(aq)}\) and 0.100 \(\mathrm{M~FeSO_4(NH_4)_2SO_4~(aq)}\)

C. 0.05 \(\mathrm{M~K_4[Fe(CN)_6]~(aq)}\) and 0.25 \(\mathrm{M~NaCl~(aq)}\)

D. 0.15 \(\mathrm{M~NaCl~(aq)}\) and 0.1 \(\mathrm{M~BaCl_2~(aq)}\)

E. 0.02 \(\mathrm{M~KCl.MgCl_2.6H_2O~(aq)}\) and 0.05 \(\mathrm{M~KCl~(aq)}\)