Hard Chemistry Chapter 01: Solutions Class 12 Level 4

दो सौ ग्राम विलयन में दस ग्राम विलेय है। इसी विलयन का द्रव्यमान प्रतिशत क्या होगा?

A 200 g solution contains 10 g solute. What is the mass percentage of this solution?

Explanation opens after your attempt
Correct Answer

B. 5 प्रतिशत / 5 percent

Step 1

Concept

Mass percentage = mass of solute ÷ mass of solution × 100.

Step 2

Why this answer is correct

10 ÷ 200 × 100 = 5 percent.

Step 3

Exam Tip

If total solution mass is given, use it directly in the denominator. चरण 1: द्रव्यमान प्रतिशत = विलेय का द्रव्यमान ÷ विलयन का द्रव्यमान × सौ। चरण 2: दस ÷ दो सौ × सौ = पाँच प्रतिशत। चरण 3: कुल विलयन का द्रव्यमान दिया हो तो उसे सीधे हर में रखें।

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