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A 200 g compound contains 50 g of element X. What is the mass percentage of X in the compound?200 g के एक यौगिक में तत्व X का द्रव्यमान 50 g है। यौगिक में X का द्रव्यमान प्रतिशत कितना है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: 25%25 प्रतिशत
The correct answer is B, 25%. Mass percentage = (mass of X ÷ total mass of compound) × 100 = (50 g ÷ 200 g) × 100 = 25%.सही उत्तर B, 25% है। द्रव्यमान प्रतिशत = (X का द्रव्यमान ÷ यौगिक का कुल द्रव्यमान) × 100 = (50 g ÷ 200 g) × 100 = 25%।
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