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Chemistry
Aden Richards
29 July, 14:53
What is the poH of a
4.5 x 10-3 M OH solution?
+1
Answers (
1
)
Alfred
29 July, 17:30
0
Answer: 2.35
Explanation:
pOH is the negative logarithm of hydroxide ion concentration in a solution. Mathematically, pOH is expressed as pOH = - log (OH-)
where (OH-) is the concentration of hydroxide ion.
So, pOH calculations are as follows
pOH = - log (4.5 x 10-3 M)
pOH = - (-2.3468)
pOH = 2.3468 (The minus signs cancelled out)
Then, round pOH value to the nearest hundredth: pOH is 2.35
Thus, the poH of a 4.5 x 10-3 M OH solution is 2.35
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