Isotonic

Which of the foll will be isotonic at the same temperature?
a)0.1 m urea and 0.1m nacl
b)0.1 m urea and 0.2m mgcl2
c)0.1m nacl and o.1m na2so4
d)0.1m ca(no3)2 and 0.1m na2so4?

With explanation please.

3 Answers

11
rkrish ·

Two non-electrolytes will be isotonic if their molarities are same.
But in case of two electrolytes " i x molarity " should be same

so ans : d

1
Thedarkknight ·

Tat means they must give the same no of particles on dissociation rite?
Thanks again[1]

1
Aditya ·

Yes and of course the molalities shud b d same :)

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