What is the percent by mass of 8.0g copper is added yo enough zinc to produce 100g an alloy

The percent by mass of the given copper in the alloy formed is 8%.

The given parameters;

The percent by mass of the given copper in the alloy formed is calculated as follows;

percent by mass of zinc  =  

percent by mass of zinc  =

percent by mass of zinc  = 8%

Thus, the percent by mass of the given copper in the alloy formed is 8%.

Learn more here:link

8%

Explanation:

Given that,

Mass of solute = 8 g

Mass of soultion, (mass of alloy) = 100 g

We need to find the percent by mass of 8.0g copper is added to enough zinc to produce 100g an alloy. It can be calculated by the formula as follows :

So, the percent by mass is 8%.