Hard Chemistry Chapter 01: Solutions Class 12 Level 4

दस प्रतिशत आयतन-आयतन विलयन के साढ़े तीन सौ मिलीलीटर में विलेय का आयतन कितना होगा?

What volume of solute is present in 350 mL of a 10 percent volume by volume solution?

Explanation opens after your attempt
Correct Answer

B. 35 मिलीलीटर / 35 mL

Step 1

Concept

10 percent means one-tenth of the total volume.

Step 2

Why this answer is correct

Volume of solute = 10 ÷ 100 × 350 = 35 mL.

Step 3

Exam Tip

In volume percent, the answer comes in a volume unit. चरण 1: दस प्रतिशत का अर्थ कुल आयतन का दसवाँ भाग है। चरण 2: विलेय का आयतन = दस ÷ सौ × तीन सौ पचास = पैंतीस मिलीलीटर। चरण 3: आयतन प्रतिशत में उत्तर आयतन की इकाई में ही आएगा।

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