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Questions and Answers
What is the relationship between the concentrations of hydronium and hydroxide ions in pure water?
What is the relationship between the concentrations of hydronium and hydroxide ions in pure water?
- Hydronium ions are higher
- Hydroxide ions are higher
- They are dependent on temperature
- They are equal (correct)
What is the molar concentration of Ba+2 ions in a 0.03 M Ba(OH)2 solution?
What is the molar concentration of Ba+2 ions in a 0.03 M Ba(OH)2 solution?
- 0.06 M (correct)
- 0.015 M
- 0.09 M
- 0.03 M
What occurs when a weak acid or weak base is dissolved in water?
What occurs when a weak acid or weak base is dissolved in water?
- No dissociation
- Partial dissociation (correct)
- Full dissociation
- Neutralization
What does a buffer solution do when acids or bases are added to it?
What does a buffer solution do when acids or bases are added to it?
What is the base dissociation constant, Kb, used for?
What is the base dissociation constant, Kb, used for?
What relationship do conjugate acid-base pairs have in buffer solutions?
What relationship do conjugate acid-base pairs have in buffer solutions?
In a solution containing a weak acid (HA) and its conjugate base (A-), the pH can be acidic, neutral, or basic depending on what?
In a solution containing a weak acid (HA) and its conjugate base (A-), the pH can be acidic, neutral, or basic depending on what?
Which equation is commonly used to calculate the pH of buffer solutions?
Which equation is commonly used to calculate the pH of buffer solutions?
What does Ka represent in the context of weak acids and their conjugate bases?
What does Ka represent in the context of weak acids and their conjugate bases?
For a solution that is 0.200 M in NH3 and 0.300 M in NH4Cl, what determines whether it is acidic, neutral, or basic?
For a solution that is 0.200 M in NH3 and 0.300 M in NH4Cl, what determines whether it is acidic, neutral, or basic?
In a solution that is 0.400 M in formic acid and 1.00 M in sodium formate, what affects its pH and pOH values?
In a solution that is 0.400 M in formic acid and 1.00 M in sodium formate, what affects its pH and pOH values?
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