Expert Chemistry Chapter 01: Solutions Class 12 Level 4

यदि किसी विलयन में विलेय और विलायक के मोलों का अनुपात एक अनुपात चार है, तो विलेय का मोल अंश कितना होगा?

If the mole ratio of solute to solvent is 1 to 4, what is the mole fraction of solute?

Explanation opens after your attempt
Correct Answer

A. 0.20

Step 1

Concept

Take moles of solute as 1 and solvent as 4.

Step 2

Why this answer is correct

Total moles = 5, so mole fraction of solute = 1/5 = 0.20.

Step 3

Exam Tip

When a mole ratio is given, use it directly as moles for mole fraction. चरण 1: विलेय के मोल 1 और विलायक के मोल 4 मान लें। चरण 2: कुल मोल 5 हैं, इसलिए विलेय का मोल अंश 1/5 = 0.20 होगा। चरण 3: अनुपात दिए हों तो उन्हें सीधे मोल मानकर मोल अंश निकाल सकते हैं।

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