Hard Chemistry Chapter 01: Solutions Class 12 Level 4

आठ ग्राम विलेय से चार सौ मिलीलीटर विलयन बनाया गया। द्रव्यमान-आयतन प्रतिशत कितना होगा?

8 g solute is used to prepare 400 mL solution. What is the mass-volume percentage?

Explanation opens after your attempt
Correct Answer

B. 2 प्रतिशत / 2 percent

Step 1

Concept

Mass-volume percentage = 8 ÷ 400 × 100.

Step 2

Why this answer is correct

800 ÷ 400 = 2, so the answer is 2 percent.

Step 3

Exam Tip

In this term, grams and millilitres are used without converting to litres. चरण 1: द्रव्यमान-आयतन प्रतिशत = आठ ÷ चार सौ × सौ। चरण 2: आठ सौ ÷ चार सौ = दो, इसलिए उत्तर दो प्रतिशत है। चरण 3: इस पद में ग्राम और मिलीलीटर को बिना लीटर में बदले प्रयोग किया जाता है।

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