Question

4.5 of an alloy of copper and zinc contain 3.5 g of copper what weight of copper will there be in 18.9 g of the alloy​

Answer 1

Answer:

14.7

Step-by-step explanation:

Answer 2

Answer

14.7 g

Explanation

Given :- Alloy of copper =4.5g

Copper in Zinc=3.5 g

To find :- Alloy of copper in 18.9g = ?

According to question

Using the concept of unitary method,

3.5/4.5×18.9 = 14.7