The ratio of copper and zinc in an alloy is 7 : 3 respectively. If the – McqOptions

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1.	The ratio of copper and zinc in an alloy is 7 : 3 respectively. If the weight of the copper in the alloy is 30.8 g. Find the weight of zinc in the alloy.
A.	13.2 g
B.	12.2 g
C.	14.2 g
D.	11.2 g
Answer» B. 12.2 g

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