Column 1
What are these characteristics of?
- Produces OH- ions
- Tastes bitter, chalky
- Feels soapy, slippery
- pH greater than 7
Bases
What are these characteristics of?
- Tastes sour
- Corrodes Metal
- pH is less than 7
Acids
What is the pH of a solution with a hydrogen ion concentration of 1 x 10-6 M?
6
A(n) ____________ is a substance that produces hydrogen ions in a water solution.
Acid
When a ________ dissolves in water, some of the hydroxide ions (OH-) are released.
Base
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
What are the products of a neutralization reaction?
salt & water
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
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
What is a Hydroxide ion?
[OH-]
What is a Hydrogen ion?
[H+]
What is the pH of an aqueous solution with a [OH-] ion concentration of 1.8 x 10-3 M?
11.3
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
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
What is the pH of an aqueous solution with a hydroxide ion concentration of 1.2 x 10-6 M?
8.1