Hard Chemistry Chapter 01: Solutions Class 12 Level 5

किस स्थिति में द्रव्यमान प्रतिशत और मोलरता के बीच रूपांतरण के लिए घनता की जानकारी आवश्यक हो जाती है?

In which situation is density required to convert between mass percent and molarity?

Explanation opens after your attempt
Correct Answer

A. जब विलयन का कुल आयतन चाहिए / When total volume of solution is needed

Step 1

Concept

Mass percent is based on mass while molarity is based on volume.

Step 2

Why this answer is correct

Density connects mass of solution with volume of solution.

Step 3

Exam Tip

So density is needed for a numerical conversion between these two units. चरण 1: द्रव्यमान प्रतिशत द्रव्यमान पर आधारित होता है जबकि मोलरता आयतन पर आधारित होती है। चरण 2: द्रव्यमान को आयतन में बदलने के लिए घनता चाहिए। चरण 3: इसलिए ऐसे रूपांतरण में घनता न दी हो तो पूर्ण संख्यात्मक उत्तर नहीं निकलेगा।

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The correct answer is A. जब विलयन का कुल आयतन चाहिए / When total volume of solution is needed.

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