Solutions

Suppose that a solution was prepared by dissolving 25.0g of sugar into 100g of water. The percent by mass would be calculated by:

What is the percentage by mass of a solution made by dissolving 0.49 g of potassium sulfate in 12.70 g of water?

What is the concentration by % m/v if 67 g are dissolved to make 1.2 L of solution?

A 250 mL solution of hand sanitizer contains 150 mL of propan-2-ol. What is the percentage concentration by volume of propan-2-ol in this solution? Give your answer to the nearest whole percentage.

What is the concentration in % m/v if 0.55 kg of solute is dissolved to make 1.5 L of solution?

6 g of urea was dissolved in 500 g of water. Calculate the percentage by mass of urea in the solution.

58 cm³ of ethyl alcohol was dissolved in 400 cm³ of water to form 454 cm³ of a solution of ethyl alcohol. Calculate the percentage by volume of ethyl alcohol in water.

If a solution is made by taking 40 mL of ethanol and adding enough water to make 240 mL of the solution, what is the percent by volume?

Determine the volume percent of toluene in a solution made by mixing 40.0 mL of toluene with 75.0 mL of benzene.

For an aquarium to achieve a salt concentration similar to seawater, it

must contain 3.5 g of sodium chloride per 100 g of water. What is the

percent by mass of sodium chloride in the solution?