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One gram of silver gets distributed between 10 cm3 of molten zinc and 100 cm3 of molten lead at 800°C. The percentage of silver still left in the lead layer is approximately (A) 5 (B) 2 (C) 1 (D) 3

One gram of silver gets distributed between 10 cm3 of molten zinc and 100 cm3 of molten lead at 800°C. The percentage of silver still left in the lead layer is approximately
(A) 5
(B) 2
(C) 1
(D) 3

Grade:12

1 Answers

Ankita Debnath
15 Points
4 years ago
Mass of ag  in 10 ml molten Zn / mass of ag  in 10 ml molten pb 
Is equal to 300 .

Mass of ag in 10 ml molten pb is 1/300 = .0033 g 
Now mass of ag in 10 ml zinc is 1 - .0033 =.9967 
% in pb is 99.67 
% in Zn is .33 
For 10 ml 
Then % for ag in 100 ml pb is 3.3

I hope this answers all questions that may arise from above statement

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