The ratio of weights of tin and zinc in on alloy is 2 : 5. How much zinc is there in 31.5g of alloy?
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zimc contain 22.5g.
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Answer:
weight of tin = 2x
weight of zinc = 5x
total weight of zinc and tin = 31.5 g
2x+5x= 31.5 g
7x = 31.5g
X= 4.5 g
Hence
the weight of tin= 2x × 4.5g = 9.0 g
the weight of zinc = 5x ×4.5 g = 22.5 g
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