Please help me answer this question! This is due in 45 minutes.
What is the pH of a 0.02 M solution of the strong acid, HNO3 ?
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Answers
Answered by
3
Answer:
☆ pH formula:
pH=
☆ Solution:
》
》since the solution is 0.02M, the concentration will be 0.02M = 2×
as it is strong acid, dissociation will be 100%
》pH=
》pH=
》pH=
》pH=
》pH=
》pH= 1.7 (approximately)
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Answered by
3
Answer:
HNO3 is a strong acid and dissociates completely or 100% .
ie., HNO3-------->H+ +NO3–.
So H+ ion concentration=0.5=5 x 10–1 N
So pH=- log(5 x 10–1)
=0.3010
~=0.3
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