2. What is the essential difference between a 1.0 mol/L solution of a weak acid and a 1.0 mol/L solution of a strong acid? a. The weak acid is more dilute. b. The weak acid does not turn litmus red. C. The weak acid does not conduct electricity. d. The strong acid is more concentrated. e. The strong acid ionizes more than the weak acid.

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Chapter1: Chemical Foundations
Section: Chapter Questions
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What is the essential difference between a 1.0 mol/L solution of a weak acid and a 1.0 mol/L
solution of a strong acid?
2.
a.
The weak acid is more dilute.
b. The weak acid does not turn litmus red.
c. The weak acid does not conduct electricity.
d. The strong acid is more concentrated.
e. The
strong
acid ionizes more than the weak acid.
3.
A weak acid (HX) has an equilibrium constant of 1.0x 10. What is the pH of a 1.0 mol/L
solution of this acid?
b. 1
с. 4
d. 7
e. 10
a.
4.
20.0 mL of NAOH are needed to neutralize 4.0 mL of 0.40 mol/L H,SO, solution. The molar
concentration of the NaOH is
0.080
b. 0.16
c. 0.20
d. 2.0
a.
e. 0.40
5. 50.0 mL of 0.800 mol/L NaOH is titrated against 0.050 mol/L HNO3. What is the hydroxide ion
concentration after 30.0 mL of HNO, have been added?
a. 0.050 mol/L
b. 0.039 mol/L
c. 0.025 mol/L
d. 0.019 mol/L
e. 0.013 mol/L
Transcribed Image Text:What is the essential difference between a 1.0 mol/L solution of a weak acid and a 1.0 mol/L solution of a strong acid? 2. a. The weak acid is more dilute. b. The weak acid does not turn litmus red. c. The weak acid does not conduct electricity. d. The strong acid is more concentrated. e. The strong acid ionizes more than the weak acid. 3. A weak acid (HX) has an equilibrium constant of 1.0x 10. What is the pH of a 1.0 mol/L solution of this acid? b. 1 с. 4 d. 7 e. 10 a. 4. 20.0 mL of NAOH are needed to neutralize 4.0 mL of 0.40 mol/L H,SO, solution. The molar concentration of the NaOH is 0.080 b. 0.16 c. 0.20 d. 2.0 a. e. 0.40 5. 50.0 mL of 0.800 mol/L NaOH is titrated against 0.050 mol/L HNO3. What is the hydroxide ion concentration after 30.0 mL of HNO, have been added? a. 0.050 mol/L b. 0.039 mol/L c. 0.025 mol/L d. 0.019 mol/L e. 0.013 mol/L
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