Activity 3. Analyze the two solutions below. Solution A: 25 g of NaCl dissolved in 100 g water Solution B: 40 mL of ethanol dissolved in 20 ml of water Questions: a. What is the mass of solute and solvent in the solution A? b. How can you compute its percentage by mass? c. What is the formula to compute the percentage by mass composition of a solution? d. Calculate the percentage by mass of NaCl-water solution. e. What is the volume of solute and solvent in the solution B? f. Compute for percentage by volume composition of solution B. g. What is the formula to be used in calculating percentage by volume composition of a solution?
