0 reads0 ratings0 helpful
A 150 g compound contains 45 g of element A. What is the mass percentage of A in the compound?150 g के एक यौगिक में तत्व A का द्रव्यमान 45 g है। यौगिक में A का द्रव्यमान प्रतिशत कितना है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: 30%30 प्रतिशत
The correct answer is B, 30%. Mass percentage = (mass of A ÷ total mass of compound) × 100 = (45 g ÷ 150 g) × 100 = 30%.सही उत्तर B, 30% है। द्रव्यमान प्रतिशत = (A का द्रव्यमान ÷ यौगिक का कुल द्रव्यमान) × 100 = (45 g ÷ 150 g) × 100 = 30%।
Student feedback
Was this question useful?
Was this question useful?
👍 0 Helpful 👎 0 Not helpful
Difficulty
Easy0%
Medium0%
Hard0%
Was the explanation clear?
Yes 0% No 0%
0 responsesStudent Reviews
No published reviews yet.
