rections: Solve the following problems;
1. An alloy is prepared by mixing 60g copper and 30g zine. Find the percentage
by mass of the solution, the
2. Fifty grams (50g) of rosin, 20g of beeswax, and 25g of shellac are heated in a
metal pan to produce benzene soluble cement, Calculate the percentage by
mass of all the components of a cement,
1. An alloy is prepared by mixing 60g copper and 30g zine. Find the percentage
by mass of the solution, the
2. Fifty grams (50g) of rosin, 20g of beeswax, and 25g of shellac are heated in a
metal pan to produce benzene soluble cement, Calculate the percentage by
mass of all the components of a cement,
Answers & Comments
Answer:
1. 50%
2. 40%
Explanation:
%m=solute / solution x 100