250 मिलीलीटर 2 मोलर विलयन में विलेय के कितने मोल होंगे?
How many moles of solute are present in 250 mL of 2 molar solution?
Explanation opens after your attempt
A. 0.5 मोल0.5 mole
Concept
Volume 250 mL = 0.25 L.
Why this answer is correct
Moles = molarity × volume = 2 × 0.25 = 0.5 mole.
Exam Tip
Use volume in litres while finding moles from molarity. चरण 1: आयतन 250 मिलीलीटर = 0.25 लीटर। चरण 2: मोल = मोलरता × आयतन = 2 × 0.25 = 0.5 मोल। चरण 3: मोलरता से मोल निकालते समय आयतन लीटर में लें।
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