For each of the following strong base solutions, determine [OH],[H3O+], p H , an
ID: 499155 • Letter: F
Question
For each of the following strong base solutions, determine [OH],[H3O+], pH, and pOH.
A) 8.63×103 M LiOH
B) 1.14×102 M Ba(OH)2
Signed in as Alyssa Bowles Help Part A 8.63x10 3 M LiOH Express your answer using three significant figures. Enter your answers numerically separated by commas. loH-1, H30 1.7. 10 1.3.10 12 Submit My Answers Give Up incorrect; Try Again: 2 attempts remaining Part B Express your answer to three decimal places. Enter your answers numerically separated by commas. pH, pOH 11.936.2.064 My Answers Give Up Correct Part CExplanation / Answer
A)
concentration of LiOH = 8.63×103
[OH-] = 8.63×103 M
[H3O+] = Kw / [OH-] = 1.0 x 10^-14 / 8.63 x 10^-3
[H3O+] = 1.16 x 10^-12 M
pH = -log [H3O+] = -log (1.16 x 10^-12)
pH = 11.94
pOH = 2.06
B)
1.14×102 M Ba(OH)2
[OH-] = 0.0228 M
[H3O+] = 4.39 x 10^-13 M
pH = 12.36
pOH = 1.64
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