0.2 मोलर विलयन के 1.5 लीटर में विलेय के मोल कितने होंगे?
How many moles of solute are present in 1.5 litres of 0.2 molar solution?
Explanation opens after your attempt
A. 0.3 मोल0.3 mole
Concept
Moles = molarity × volume.
Why this answer is correct
0.2 × 1.5 = 0.3 mole.
Exam Tip
If volume is in litres, apply the formula directly. चरण 1: मोल = मोलरता × आयतन। चरण 2: 0.2 × 1.5 = 0.3 मोल। चरण 3: लीटर में आयतन हो तो सीधे सूत्र लगाएं।
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