Question
At same temperature which pair of the following solutions are isotonic?
✓
Answer
Isotonic solutions have the same osmotic pressure and same molar concentration.
The solution of $0.1M Ba(NO_3)_2$ and $0.1M Na_2SO_4$ are isotonic.
The osmotic pressure of $0.1M Ba(NO_{3})_2$
$= iMRT = 3 \times 0.1RT = 0.3RT$
Osmotic pressure of $0.1M Na_2SO_{4}$
$= iMRT = 3 \times 0.1RT = 0.3RT$
The correct answer is "The solution of $0.1M Ba(NO_3)_2$ and $0.1M Na_2SO_4$ are isotonic".
The solution of $0.1M Ba(NO_3)_2$ and $0.1M Na_2SO_4$ are isotonic.
The osmotic pressure of $0.1M Ba(NO_{3})_2$
$= iMRT = 3 \times 0.1RT = 0.3RT$
Osmotic pressure of $0.1M Na_2SO_{4}$
$= iMRT = 3 \times 0.1RT = 0.3RT$
The correct answer is "The solution of $0.1M Ba(NO_3)_2$ and $0.1M Na_2SO_4$ are isotonic".
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