Acid-Base Remediation (2020)

What is the formula for phosphoric acid?

• H₂PO₃

• H₃PO_4

• HPO₂

• HPO₄

Which of the following is a property of an acid?

• sour taste

• non-electrolyte

• strong color

• unreactive

What is a property of a base?

• bitter taste

• watery feel

• strong color

• unreactive

What type of solution do you have if the pH = 8?

• acid

• base

• neutral

If the [H⁺] = 8.26 x 10^-5 M, what is the solution's pH?

• 2.161

• 3.912

• 4.083

• 8.024

What is the pH of a 0.027 M KOH solution?

• 6.47

• 12.43

• 12.92

• 14.11

What is the molarity of an HCl solution if 50.0 mL is neutralized by 40.0 mL of 0.400 M NaOH?

• 0.200 M

• 0.280 M

• 0.320 M

• 0.500 M

How much of a 0.742 M HCl solution is needed to neutralize 76.0 mL of 1.22 M KOH?

• 125 mL

• 154 mL

• 234 mL

• 100 mL

Values for pH range from 0 to 14

• TRUE

• FALSE

Stomach contents can have a pH of 2, which means they are basic.

• TRUE

• FALSE