Easy Chemistry Chapter 01: Solutions Class 12 Level 6

1 मोलल विलयन में यदि विलायक 0.5 किलोग्राम है तो विलेय के मोल कितने हैं?

In a 1 m solution, if solvent is 0.5 kg, how many moles of solute are present?

Explanation opens after your attempt
Correct Answer

A. 0.5 मोल / 0.5 mol

Step 1

Concept

Moles = molality × mass of solvent in kg.

Step 2

Why this answer is correct

Moles = 1 × 0.5 = 0.5 mol.

Step 3

Exam Tip

In molality, solvent mass is multiplied when finding moles. चरण 1: मोल = मोललता × विलायक का किलोग्राम में द्रव्यमान। चरण 2: मोल = 1 × 0.5 = 0.5 मोल। चरण 3: मोललता में विलायक का द्रव्यमान गुणा में आता है जब मोल निकालते हैं।

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