Describe the formation of an aqueous KI solution.

Determine the final volume (rnL) for each of the following: a. diluting 2.50 mL of an 8.00 M KOH solution to give a 2.00 M KOH solution

b. diluting 50.0 mL of a 12.0 M $\text{NH}_{4}\text{Cl}$ solution to give a 2.00 M $\text{NH}_{4}\text{Cl}$ solution

c. diluting 75.0 mL of a 6.00 M HCI solution to give a 0.200 M HCI solution

Determine the final volume (mL) for each of the following:

a. diluting 50.0 mL of a 12.0 M $\text{NH}_{4}\text{Cl}$ solution to give a 2.00 M $\text{NH}_{4}\text{Cl}$ solution

b. diluting 18.0 mL of a 15.0 M $\text{NaNO}_{3}$ solution to give a 1.50 M $\text{NaNO}_{3}$ solution

c. diluting 4.50 mL of an 18.0 M $\text{H}_{2}\text{SO}_{4}$ solution to give a 2.50 M $\text{H}_{2}\text{SO}_{4}$ solution

Calculate the final concentration of the solution in each of the following:

a. Water added to 10.0 mL of a 3.50 M $\text{KNO}_{3}$ solution gives a volume of 0.250 L.

b. A 5.00-mL sample of a 18.0 M sucrose solution is diluted with water to 100. mL.

c. Water is added to 0.250 L of a 12.0 M KBr solution to give a volume of 1.00 L.

Calculate the final concentration of the solution in each of the following:

a. Water is added to 0.150 L of a 6.00 M HCI solution to give a volume of 0.500 L.

b. A 10.0-rnL sample of a 2.50 M KCI solution is diluted with water to 0.250 L.

c. Water is added to 0.250 L of a 12.0 M KBr solution to give a volume of 1.00 L.

Calculate the volume, in liters, for each of the following that provides the given amount of solute: a. $5.00 \mathrm{~mol}$ of $\mathrm{NaOH}$ from a $12.0 \mathrm{M} \mathrm{NaOH}$ solution b. $15.0 \mathrm{~g}$ of $\mathrm{Na}_2 \mathrm{SO}_4$ from a $4.00 \mathrm{M} \mathrm{Na}_2 \mathrm{SO}_4$ solution c. $28.0 \mathrm{~g}$ of $\mathrm{NaHCO}_3$ from a $1.50 \mathrm{M} \mathrm{NaHCO}_3$ solution

Calculate the volume, in milliliters, for each of the following that provides the given amount of solute: a. $12.5 \mathrm{~g}$ of $\mathrm{Na}_2 \mathrm{CO}_3$ from a $0.120 \mathrm{M} \mathrm{Na}_2 \mathrm{CO}_3$ solution b. $0.850 \mathrm{~mol}$ of $\mathrm{NaNO}_3$ from a $0.500 \mathrm{M} \mathrm{NaNO}_3$ solution c. $30.0 \mathrm{~g}$ of $\mathrm{LiOH}$ from a $2.70 \mathrm{M} \mathrm{LiOH}$ solution

Calculate the grams of solute needed to prepare each of the following: a. $2.00 \mathrm{~L}$ of a $5.00 \mathrm{M} \mathrm{NaOH}$ solution b. $325 \mathrm{~mL}$ of a $0.100 \mathrm{M} \mathrm{CaCl}_2$ solution c. $15.0 \mathrm{~mL}$ of a $0.500 \mathrm{M} \mathrm{LiNO}_3$ solution

Water is a polar solvent; hexane is a nonpolar solvent. In which solvent is each of the following more likely to be soluble? a. vegetable oil, nonpolar b. benzene, nonpolar c. LiCl, ionic d. $\mathrm{Na}_2 \mathrm{SO}_4$, ionic

What is the mass percent $(\mathrm{m} / \mathrm{m})$ of $\mathrm{NaCl}$ in a solution made by dissolving $2.0 \mathrm{~g}$ of $\mathrm{NaCl}$ in $56.0 \mathrm{~g}$ of $\mathrm{H}_2 \mathrm{O}$ ?

Calculate the grams of solute needed to prepare each of the following: a. $2.00 \mathrm{~L}$ of a $1.50 \mathrm{M} \mathrm{NaOH}$ solution b. $125 \mathrm{~mL}$ of a $0.200 \mathrm{M} \mathrm{KCl}$ solution c. $25.0 \mathrm{~mL}$ of a $3.50 \mathrm{M} \mathrm{HCl}$ solution

Calculate the molarity (M) of each of the following solutions: a. $0.500 \mathrm{~mol}$ of sucrose in $0.200 \mathrm{~L}$ of a sucrose solution b. $30.4 \mathrm{~g}$ of $\mathrm{LiBr}$ in $350 . \mathrm{mL}$ of a $\mathrm{LiBr}$ solution c. $73.0 \mathrm{~g}$ of $\mathrm{HCl}$ in $2.00 \mathrm{~L}$ of a $\mathrm{HCl}$ solution

Calculate the molarity (M) of each of the following solutions: a. $2.00 \mathrm{~mol}$ of glucose in $4.00 \mathrm{~L}$ of a glucose solution b. $5.85 \mathrm{~g}$ of $\mathrm{NaCl}$ in $40.0 \mathrm{~mL}$ of a $\mathrm{NaCl}$ solution c. $4.00 \mathrm{~g}$ of $\mathrm{KOH}$ in $2.00 \mathrm{~L}$ of a $\mathrm{KOH}$ solution

Calculate the amount of solution, in grams or milliliters, that contains each of the following amounts of solute: a. $7.50 \mathrm{~g}$ of $\mathrm{NaCl}$ from a $2.0 \%(\mathrm{~m} / \mathrm{m}) \mathrm{NaCl}$ solution b. $4.0 \mathrm{~g}$ of $\mathrm{NaOH}$ from a $25 \%(\mathrm{~m} / \mathrm{v}) \mathrm{NaOH}$ solution c. $20.0 \mathrm{~mL}$ of ethanol from an $8.0 \%(\mathrm{v} / \mathrm{v})$ ethanol solution