TEST_DE_CH_5.3_Acids, Salts and Bases
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Last updated over 2 years ago
16 questions
TEST
Required
1
Salts dissociate into component ions when placed in
Salts dissociate into component ions when placed in
Required
1
What is the approximate pOH of a strong base?
What is the approximate pOH of a strong base?
Required
3
Match the following acid/base theories with the correct definition.
Match the following acid/base theories with the correct definition.
| Draggable item | arrow_right_alt | Corresponding Item |
|---|---|---|
Arrhenius base | arrow_right_alt | any substance that can accept a hydrogen ion (proton) |
Lewis base | arrow_right_alt | any substance that can donate a hydrogen ion (proton) |
Arrhenius acid | arrow_right_alt | any substance which, when dissolved in water, tends to increase the number of H+ ions present |
Lewis acid | arrow_right_alt | any substance which, when dissolved in water, tends to decrease the number of H+ ions present |
Brønsted-Lowry acid | arrow_right_alt | electron pair acceptor |
Brønsted-Lowry base | arrow_right_alt | electron pair donor |
Required
1
Amphoterism is the ability of a chemical to act as
Amphoterism is the ability of a chemical to act as
Required
1
__________ solutions contain a weak acid and its conjugate base (or a weak base and its conjugate acid).
Required
1
The concentration of an acid or base is defined as the ratio of the amount of _____.
The concentration of an acid or base is defined as the ratio of the amount of _____.
Required
1
__________ is a chemical reaction in which a strong acid and a strong base interact and form a salt, which makes a solution neutral.
2
You are conducting a chemical reaction where you combine two salts, CuSO4 and Na2CO3, in an aqueous solution.
Predict the products of this reaction, and which is soluble and insoluble.
- CuSO4 + Na2CO3 → __________ (s) + ___________ (aq)
Other Answer Choices:
CO3SO4
Na2SO4
CuCO3
Na2CO3
CuSO4
Na2Cu
2
You are conducting a chemical reaction where you combine two salts, CuSO4 and Na2CO3, in an aqueous solution.
Write the net ionic equation for your chemical equation from question 8.
- ________ + _________ → __________ (s)
Other Answer Choices:
CO3-
SO4-
CuCO3
Na2SO4
Cu+
2Na+
NaCO3
Required
1
Normality (N) is a direct expression of
Normality (N) is a direct expression of
Required
2
Use the given pH and pOH values to arrange the solutions from most acidic to most alkaline.
Use the given pH and pOH values to arrange the solutions from most acidic to most alkaline.
- pH 12
- pOH 11
- pOH 4
- pH 6
- pH 2
Required
2
Complete the chemical equations for the following neutralization reactions.
HNO3 + __________ → __________ + H2O
__________ + Ba(OH)2 → __________ + 2H2O
Required
2
Arrange these acids from weakest to strongest based on their K(a) value at 25°C.
Arrange these acids from weakest to strongest based on their K(a) value at 25°C.
- Ethanoic Acid:
- Oxalic Acid:
- Nitrous Acid:
- Benzoic Acid:
- Phosphoric Acid:
Required
1
If the concentration of H⁺ ions in a solution is 3.16 x 10⁻⁴ mol/L, then what is the concentration of OH⁻ ions?
If the concentration of H⁺ ions in a solution is
3.16 x 10⁻⁴ mol/L, then what is the concentration of OH⁻ ions?
Required
1
A solution of pH 4 is _______ times more acidic than a solution of pH 5.
A solution of pH 4 is _______ times more acidic than a solution of pH 5.
Required
2
What volume of 1.3 M Mg(OH)2 (strong base) is required to neutralize 650 mL of 0.70 M HBr (strong acid).(Remember to include your units)
What volume of 1.3 M Mg(OH)2 (strong base) is required to neutralize 650 mL of 0.70 M HBr (strong acid).
(Remember to include your units)