Question

4.5 g of an alloy of copper and zinc contains 3.5 g of copper. What weight of copper will there be in 18.9 g of the alloy ?​

Answer 1

Answer:

14.7 grams.

Step-by-step explanation:

Given that :

1) 4.5 grams of alloy gives 3.5 grams of copper.

Then,

2) Let 18.9 grams of alloy gives y grams of copper.

Let, required weight be Y.

Y = (18.9×3.5)÷(4.5)

Y = 14.7 grams....

So,

Required weight of copper is 14.7 grams.

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