the ratio of weight of tin and zinc in an alloy is 2:5 how much zinc is there in 31.5 g of alloy
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Answered by
20
ratio is 2:5
let the ratio be in the terms of 'x'.
2x +5x = 7x
According to the question,
7x = 31.5
x = 4.5
therefore the weight of Zinc = 5x
= 5 x 4.5
= 22.5 grams
let the ratio be in the terms of 'x'.
2x +5x = 7x
According to the question,
7x = 31.5
x = 4.5
therefore the weight of Zinc = 5x
= 5 x 4.5
= 22.5 grams
Answered by
9
let the proportionality of tin and zinc be 2x and 5x resp.
acc. to questions.
total alloy = 31.5
2x+5x =31.5
7x=31.5
X=315/70
X=4.5
therefore,zn=5x
= 5×4.5
=225/10
=22.5g
acc. to questions.
total alloy = 31.5
2x+5x =31.5
7x=31.5
X=315/70
X=4.5
therefore,zn=5x
= 5×4.5
=225/10
=22.5g
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