एक विलयन में (0.01) मोल विलेय (500,mL) विलयन में है। (300,K) पर अवियोजित विलेय का परासरण दाब कितना होगा?
A solution contains (0.01) mol solute in (500,mL) solution. What will be the osmotic pressure of the non-dissociated solute at (300,K)?
Correct answer and explanation
B. (0.492,atm)
Concept
\(500,mL=0.5,L\), इसलिए मोलरता \(C=\frac{0.01}{0.5}=0.02,M\)। / \(500,mL=0.5,L\), so molarity \(C=\frac{0.01}{0.5}=0.02,M\).
Why this answer is correct
\(\pi=CRT=0.02\times0.082\times300=0.492,atm\)। / \(\pi=CRT=0.02\times0.082\times300=0.492,atm\).
Exam Tip
परासरण दाब में विलयन का आयतन लीटर में लें। / In osmotic pressure, use solution volume in litres.
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