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

Hope so its correct and it helps you mark as brainliest if it helps you.

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 beY.Y = (18.9×3.5)÷(4.5)Y = 14.7 grams....So,Required weight

of copper is 14.7 grams.