Practice Worksheet

List three ways to increase the rate of dissolution of a solute.Define a saturated solution, an unsaturated solution, and a supersaturated solution.Which of the following solutions contains the greatest number of ions? Support your answera. 400,0 mL of 0.10A*sodium chlorideb. 300.0 mL of 0.10Mcalcium chloridec. 200.0 rnL of O.lOMiron(m) chlorided. 200.0 mL of 0.10 M potassium bromidee. 800.0 mL of 0.10 MsucroseSuppose 250.0 mL of water is added to 125.0 mL of 0.551 MNaCl solution. Explain *ow youwould calculate the concentration of the solution after dilution.

You dissolve 1.0 moTof Nad in 1.0 L of water Your lab partner dissolves 1,0 molenough water to make 1.0 L of solution. Who has the higher concentration of Nad (aq)? Whohas a 1.0 M solution? Explain.A chemist prepares some standard solutions for use in the lab using 500.0-mL volumetric flasksto contain the solutions. If the following masses of solutes are used, calculate the resultingmolarity of each solution,a. 4.865 gNaCl b. 78.91 gAgN03To prepare 125 mL of 0.100 Msulfuric acid (H2S04) in the lab requires 0.69 mL of concentratedacid. What is the concentration of concentrated sulfuric acid?. What volume of 0.242 Af H2S04 can furnish the same number of moles of H* ions as each of thefollowing?a: 41.5mLof0.118MHClb. 27.1 mL of 0.121 MH3P04

i. Suppose each of the following solutions is diluted by adding the indicated amount of water.Calculate the new concentrations of the solutions,a. 255 mL of 3.02 MHC1; 375 mL water addedYou start with 100.0 mL of a 0.2500 M solution of NaCI sitting in a beaker. After several daysyou test the solution and find that it is now 0.3125 M. How much water must have evaporated?Calculate the molarity of a solution in which enough water is added to 250.0 g of calciumchloride to make a solution with a volume of 2.25 L.

A 0.251-g sample of NaCl (molar mass = 58.44 g/mol) is dissolved in enough water to make5.20 mL of solution. Calculate the molarity of the resulting solution.a. 0.826 Mb. 1.65Mc. 0.413 Md. 0.756 Me. 2.66 MWhat mass of water must be used to make a 1 ^ * n i *-a. 607ks seato make a 1.35m solution that contains 8.20 mol of NaOH?b *d d. !i

What mass of AgCl is produced when 155 mL of a 0.104 M solution of NaCl is reacted with 125mL of a 0.136 M solution of AgNO3?a. 4.62 g AgClb. 1.22 g AgClc. 7.66 g AgCld. 3.97 g AgCle. 2.31 g AgClWhat volume of a 0.209 M Na2S solution contains 1.01 g of Na+ ions?a. 0.21 Lb. 0.651 Lc. 3.78 Ld. 1.43Le. 0.105 L