The amount of water needed to mix with 3800 ml of milk to make it 5 l is 1200 ml.
2M of 100 ml Na2SO4 is mixed with 3M of 100ml NaCl solution and 1M of 200 ml CaCl2 solution. Then the ratio of the concentration of cation and anion
A) 1/2
B) 2
C) 1.5
D) 1