Practice 2-2 A solution is prepared by dissolving 2.00 kg of solute is enough solvent to make 50.0 kg of solution. What is the percentage concentration of the solution?
Practice 2-2
A solution is prepared by dissolving 2.00 kg of solute is enough solvent to make 50.0 kg of solution. What is the percentage
concentration of the solution?
Practice 2-3
What mass of sodium chloride and what volume of water are needed to prepare 5.00 mL of a 0.89% by mass saline solution?( Saline solution is the everyday language pharse that refers to a sodium chloride solution.) The density of the solution is equal to the density of water to ±0.01 g/mL.
Practice 2-4
What is the molarity of a solution that was prepared by adding 10.4 g of potassium chloride to enough water to make a total of 5.00 mL of solution?
Practice 2-5
Determine the mass of sodium sulfate (in grams) dissolved in 2.00 L of a 0.12 M sodium sulfate solution
Practice 2-6
A technician dissolves 5.29 g of ammonium sulfate in water to make a 0.10 –M solution. What volume of solution did she make? Answer in milliliters.
Practice 2-7
A solution is prepared by dissolving 80.0 mg phosphate in 25 mL water. What is the molality of the soultion?
Practice 2-8
Acetic acid is commonly sold commercially in a 17 M concentration. What volume (mL) of the concentrated cid is needed to make 0.800 L of 0.10 M acetic acid?
Practice 2-9
10.0 mL of 1.15 M chlorous acid is added to 1.00 L of water. Determine the new concentration of chlorous acid.
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