the ratio of weight of tin and zinc in an alloy is 2 is to 5 .how much zinc is therein 31.s g of alloy ?
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let the proportion of tin and zinc be 2x and 5x respectively.
ATQ
2x+5x = 35.5
7x = 35.5
x = 35.5/7
x = 5.07 g
so,
zinc = 5x = 5×5.07 = 25.35 g
let the proportion of tin and zinc be 2x and 5x respectively.
ATQ
2x+5x = 35.5
7x = 35.5
x = 35.5/7
x = 5.07 g
so,
zinc = 5x = 5×5.07 = 25.35 g
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