KSP and pH Calculations Quiz

What is the hydroxide ion concentration if the pH of a saturated solution of Rubidium hydroxide is 12.35?

• 0.000224 M

• 0.224 M

• 0.00224 M

• 0.0224 M

How is the KSP of Rubidium hydroxide calculated from its ion concentrations?

• By multiplying the concentrations of Rubidium and hydroxide ions

• By adding the concentrations of Rubidium and hydroxide ions

• By dividing the concentration of Rubidium by hydroxide

• By subtracting the concentration of hydroxide from Rubidium

When calcium hydroxide dissociates, what is the relationship between hydroxide concentration and x in the ICE table?

• Hydroxide concentration is equal to x

• Hydroxide concentration is equal to 2x

• Hydroxide concentration is equal to x/2

• Hydroxide concentration is equal to 3x

What is the KSP expression for calcium hydroxide?

• KSP = [Ca^2+]^2[OH^-]^2

• KSP = [Ca^2+]^2[OH^-]

• KSP = [Ca^2+][OH^-]^2

• KSP = [Ca^2+][OH^-]

If the pH of a saturated solution of calcium hydroxide is 11.45, what is the hydroxide ion concentration?

• 2.82 x 10^-3 M

• 1.41 x 10^-3 M

• 5.64 x 10^-3 M

• 7.05 x 10^-3 M

What is the KSP expression for iron(II) hydroxide?

• KSP = [Fe^2+]^2[OH^-]

• KSP = [Fe^2+]^2[OH^-]^2

• KSP = [Fe^2+][OH^-]^2

• KSP = [Fe^2+][OH^-]

How do you calculate the pH of a saturated solution of iron(II) hydroxide?

• By finding the concentration of iron ions

• By finding the concentration of hydroxide ions and using pOH

• By using the concentration of iron and hydroxide ions

• By using the concentration of water

What is the hydroxide ion concentration if the KSP of iron(II) hydroxide is 8.0 x 10^-16?

• 1.16 x 10^-5 M

• 5.8 x 10^-6 M

• 4.0 x 10^-16 M

• 2.32 x 10^-5 M

What is the pH of a solution if the hydroxide ion concentration is 1.16 x 10^-5 M?

• 7.0

• 4.9

• 11.0

• 9.1

What is the main concept to remember when calculating KSP for compounds with multiple hydroxides?

• The concentration of hydroxide is equal to x/2

• The concentration of hydroxide is always equal to x

• The concentration of hydroxide is equal to 2x

• The concentration of hydroxide is equal to 3x