SolutionHard
Question
Available are 1L of 0.1 M NaCl and 2L of 0.2 M CaCl2 solutions. Using only these two solutions what maximum volume of a solution can be prepared having [Cl-] = 0.34 M exactly. Both electrolytes are strong
Options
A.2.5 L
B.2.4 L
C.2.3 L
D.None of these
Solution
Let volumes takne by ′x′ & ′y′ litres, so 
= 0.34 & Vg = (x + y) (to be maximised)
so y = 4x so for maximum volume
y = 2L & x = 1/2L
= 0.34 & Vg = (x + y) (to be maximised)so y = 4x so for maximum volume
y = 2L & x = 1/2L
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