Question

2. An alloy contains 13.5 gms of copper and 4.5 gms of zinc. Find the ratio by
mass of copper to zinc in the alloy.
​

Answer 1

Step-by-step explanation:

alloy contains 13.5gms of copper

alloy contains 4.5gms of zinc

so first add the value 13.5+4.5gms

so the answer is 18.0 gms means 18

so answer is 18 gms is this is the answer you are looking for