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schepotkina [342]
3 years ago
12

What is the pH of a 0.08 M solution of Ca(OH),?

Chemistry
1 answer:
torisob [31]3 years ago
4 0

Answer:

pH = 12.20

Explanation:

Ca(OH)2 is a strong base, so it dissociates completely. A 0.08 M solution of Ca(OH)2 is 0.16 M OH-, since every mole of Ca(OH)2 has 2 OH-.

Calculate pOH using [OH-] = 0.16 M

pOH = -log(0.16) = 0.80

pH = 14 - pOH = 14 - 0.80 = 12.20

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