Question 1
The mass percent concentration refers to ________.
◦ grams of solute in 100 g of solution
◦ grams of solute in 100 g of solvent
◦ grams of solute in 1 kg of solution
◦ grams of solvent in 100 g of solution
◦ grams of solute in 1 kg of solvent
Question 2
What is the concentration, in
mass percent (m/m), of a solution prepared from 50.0 g NaCl and 150.0 g of water?
◦ 33.3% (m/m)
◦ 25.0% (m/m)
◦ 3.00% (m/m)
◦ 0.250% (m/m)
◦ 40.0% (m/m)