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Column 1
Column 2
pH/Kw
100

What are these characteristics of?

- Produces OH- ions

- Tastes bitter, chalky

- Feels soapy, slippery

- pH greater than 7

Bases

100

What are these characteristics of? 

- Tastes sour

- Corrodes Metal

- pH is less than 7

Acids

100

What is the pH of a solution with a hydrogen ion concentration of 1 x 10-6 M?

6

200

A(n) ____________ is a substance that produces hydrogen ions in a water solution.

Acid

200

When a ________ dissolves in water, some of the hydroxide ions (OH-) are released.

Base

200

Using litmus paper, a chemist finds that a solution has a pH of 11. What does a pH of 11 describe?

a. the negative logarithm of the concentration of OH- in M/L

b. the negative logarithm of concentration of H+/H3O+ in M/L

c. the molarity of the acid

d. the molarity of the base

b. the negative logarithm of concentration of H+/H3O+ in M/L

300

What are the products of a neutralization reaction?

salt & water

300

In a neutral reaction:

a. [H+] and [OH] are equal

b. there is more [H+]

c. there is more [OH-]

d. impossible to know

a. [H+] and [OH] are equal

300

A solution's pH is measured at 5.9. pH is equal to -log of ....

a. molarity

b. acidity 

c. hydrogen ion concentration

d. hydroxide ion concentration


c. hydrogen ion concentration

400

What is a Hydroxide ion?

[OH-]

400

What is a Hydrogen ion?

[H+]

400

What is the pH of an aqueous solution with a [OH-] ion concentration of 1.8 x 10-3 M?

11.3

500

Which equation represents an acid-base neutralization reaction?

a. 2Mg + O2 --> 2MgO

b. Pb(NO3)2 + 2KI --> PbI2 + 2KNO3

c. NaOH + HCl --> NaCl + H2O

c. NaOH + HCl --> NaCl + H2O

500

Which solution is the strongest acid?

solution a [H+]: 5.9 x 10-5

solution b [H+]: 2.2 x 10-8

solution c [H+]: 3.3 x 10-10

solution d [H+]: 1.5 x 10-4

solution d [H+]: 1.5 x 10-4

500

What is the pH of an aqueous solution with a hydroxide ion concentration of 1.2 x 10-6 M?

8.1