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4 cards from this section. Quick, good the night before a test.
What is the pH of a 0.1 M HCl solution?
Use the formula pH = -log10([H+]).
What relationship do pH and pOH have?
Remember this formula.
What is the pH of a strong acid like HCl at 0.1 M?
Consider the relationship of [H+] for strong acids.
True or False: pH can be directly calculated from the concentration of weak acids.
Remember the difference in dissociation between weak and strong acids.
You have a solution of 0.3 M carbonic acid (H2CO3). Calculate the pH considering both dissociation constants Ka1 and Ka2 if necessary.
Focus on the first dissociation; the second can often be neglected.
Suppose you need to neutralize a 0.1 M acetic acid solution. How much NaOH would you need to reach pH 7?
Neutralization occurs in equal molar ratios.
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