Final answer:
To determine how many grams of MCPA is in 40.0 kilograms of solution with a concentration of 3.85% MCPA, we can use a proportion to find the mass of MCPA in 40.0 kilograms of solution, which is 1,540 grams.
Step-by-step explanation:
To determine how many grams of MCPA is in 40.0 kilograms of solution, we first need to find the mass of MCPA in the solution. The concentration of MCPA is given as 3.85% by mass, which means that for every 100 grams of solution, there are 3.85 grams of MCPA.
To find the mass of MCPA in 40.0 kilograms of solution, we can set up a proportion:
3.85 grams MCPA / 100 grams solution = M grams MCPA / 40,000 grams solution
Solving for M, we find that M = (3.85 grams MCPA / 100 grams solution) * 40,000 grams solution = 1,540 grams MCPA. Therefore, there are 1,540 grams of MCPA in 40.0 kilograms of solution.