Easy Chemistry Chapter 01: Solutions Class 12 Level 5

किसी विलयन में विलेय के 1 मोल और विलायक के 9 मोल हैं। विलायक का मोल अंश कितना है?

A solution has 1 mole solute and 9 moles solvent. What is the mole fraction of solvent?

Explanation opens after your attempt
Correct Answer

A. 0.9

Step 1

Concept

Total moles = 1 + 9 = 10.

Step 2

Why this answer is correct

Mole fraction of solvent = 9/10 = 0.9.

Step 3

Exam Tip

The component with more moles has a larger mole fraction. चरण 1: कुल मोल = 1 + 9 = 10। चरण 2: विलायक का मोल अंश = 9/10 = 0.9। चरण 3: अधिक मोल वाले घटक का मोल अंश भी बड़ा होगा।

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