Solutions and pH Review

Ammonia has a pOH of 2. Ammonia is __________.

• an acid

• a base

• an element

• a metal

An acid

• is a substance that releases H+ ions when dissolved in water

• is a substance that does not release any ions when dissolved in water

• is a substance that releases OH- when dissolved in water

• releases an equal amount of OH- and H+ ions when dissolved in water

A  pH and a pOH will add up to:

• 0
• 7
• 14
• 1.0 x 10^-14

A solution has a pH of 7.0. What would happen to the pH if OH^- ions were added?

• pH would go up

• pH would go down

• pH would stay the same

• None of these

If the pH of a solution is 5.6 the pOH is

• 6.5
• 12.4
• 8.4
• 5.6

if a solution has a pOH of 5.2 the [OH-] of the solution is

• 3.9 x 10 ^-5 M

• 6.3 x 10 ^-6 M

• 1.58 x 10^-5 M

• 2 x 10^-5 M

Which of the following is the correct formula for calculating molarity?

• moles/liters of solution

• moles/kg of solvent

• # particles/Avogadro's #

• theoretical yield/actual yield

Which of the following types of solutions has more room to dissolve solute?

• supersaturated

• saturated

• unsaturated

The ___ is the thing being dissolved

• solute
• solvent

How many L are required to make 3.5 M hydrochloric acid using 1.1 moles? 

• 3.18 L
• 0.31 L
• 3.85 L
• 4.6 L