Solutions Question 4

Question 4 - 25 January - Shift 2

The number of pairs of the solution having the same value of the osmotic pressure from the following is

(Assume 100% ionization)

A. $0.500 M C_2 H_5 OH(aq)$ and $0.25 M KBr(aq)$

B. $0.100 M K_4[Fe(CN)_6]$ (aq) and $0.100 M$

$FeSO_4(NH_4)_2 SO_4(aq)$

C. $0.05 M K_4[Fe(CN)_6][aq]$ and $0.25 M NaCl$ (aq)

D. $0.15 M NaCl(aq)$ and $0.1 M BaCl_2(aq)$

E. $0.02 M KCl . MgCl_2 \cdot 6 H_2 O(aq)$ and $0.05 M$ $KCl(aq)$

Show Answer

Answer: (4)

Solution:

$\pi=iCRT$

$\pi \propto iC$

A, B, D and E have same value of osmatic pressure.