Expert Chemistry Chapter 01: Solutions Class 12 Level 5

चार सौ मिलीलीटर शून्य दशमलव दो पाँच मोलर विलयन में विलेय के मोल कितने होंगे?

How many moles of solute are present in 400 mL of 0.25 M solution?

Explanation opens after your attempt
Correct Answer

B. 0.10 मोल / 0.10 mol

Step 1

Concept

Convert 400 mL into 0.400 L.

Step 2

Why this answer is correct

Moles equal molarity multiplied by volume.

Step 3

Exam Tip

0.25 multiplied by 0.400 equals 0.100 mol. चरण 1: चार सौ मिलीलीटर को शून्य दशमलव चार लीटर में बदलें। चरण 2: मोल मोलरता गुणा आयतन से मिलते हैं। चरण 3: शून्य दशमलव दो पाँच गुणा शून्य दशमलव चार बराबर शून्य दशमलव एक मोल है।

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