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What is the pH of a solution prepared by diluting 25.00 mL of0.020 M Ba(OH)2 with enough water to produce a totalvolume of 250.00 mL?

11.60
2.40
11.30
2.70


Determine the acid dissociation constantfor a 0.10 M acetic acid solution that has a pH of 2.87. Aceticacid is a weak monoprotic acid and the equilibrium equation ofinterest is
CH3COOH(aq)+H2O(l)?H3O+(aq)+CH3CO?2(aq)
1.8

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Sixta Kovacek
Sixta KovacekLv2
28 Sep 2019

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Related questions

having trouble with these.. please help and explain how you got this, already messed this up before, now maybe if i can get my homework understood, the re-test wont be so bad.

Identigy the conjugate acid/conjugate base pairs in this reaction HSO-3 (aq) + H2CO3ร‚ยญ (aq) รขย‚ยฌ Hร‚ยญ2SO3 (aq) + HCO-3(aq)

A H2SO3/SO3^2-, H2CO3/CO3^2-

B HSO3^-/H2SO3, H2CO3, H2SO4

C HSO3^-/H2CO3, H2SO3, HCO3^-

D HSO3^-/H2SO3, H2CO3/HCO3^-

E HSO3^-/HCO3^-, H2CO3/H2SO3

2. What is the [OH-] for a solution at 25deg C that has {H3O+]=2.35x10^-3 M? ( i got d and no credit i must have messed something up, or just explained it wrong???)

a. 2.35x10^-17

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a soln is prepared by adding 0.10 mol of potassium acetate, KCH3COO, to 1.00L of water. which is correct

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given the equation Ag2CO3 <----> 2 Ag+ (aq) + CO3^2-(AQ) what is the solubility broduct expression, Ksp of silver crbonate.

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123

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