pH 1. Some raspberry juice has a pH of 3.40. What is its [OH^-]? 2. The concentr
ID: 841799 • Letter: P
Question
pH
1. Some raspberry juice has a pH of 3.40. What is its [OH^-]?
2. The concentration of H3O^+ in a solution is 2x10 ^-4 M. What is its OH concentration?
3. The pH of a 0.10 M NH4Cl solution is 5.13. The hydroxide-ion concentration of this solution is?
4. A solution that is formed by combining 200 ml of 0.15 M HCl with 300 ml of 0.090 M NaOH has an OH- concentration of
5.Calculate the pH of a 0.017 M Ba(OH)2 solution
6. When equal moles are dissolved in water, the hydride of which element shown below will form a solution with the highest pH? Explain! F, Cl, Br, I
7. Given the following equation :
NH3(aq) + H2O NH4^+1(aq) + OH^-1(aq)
Identify the conjugate acid case pairs!
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Explanation / Answer
1) pOH = 14.0-pH
pOH = 14.0-3.40
pOH = 10.60
[OH-] = 10^-pOH
[OH-] = 10^-10.6
[OH-] = 2.51*10^-11
2) Kw = [H?O?][OH?] = 1.0 x 10?
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