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Formula of Conjugate Base - General Chemistry - Solved Quiz, Exercises of Chemistry

Alliance University Chemistry

This is short quiz. Answers are given in empty space. This solved quiz of chemistry includes: Formula of Conjugate Base, Formula of Conjugate Acid, Neutral Aqueous Solution, Hypochlorous Acid, Percent Dissociation of Base, Propanoic Acid, Ph of Samples, Generic Base

Typology: Exercises

2011/2012

Uploaded on 12/23/2012

saiba 🇮🇳

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Download Formula of Conjugate Base - General Chemistry - Solved Quiz and more Exercises Chemistry in PDF only on Docsity! 1. What is the formula of the conjugate base formed by each acid after it loses one proton? a. H3PO4 b. C6H5CH2COOH c. CH3CH2COOH d. HCO31- 2. What is the formula of the conjugate acid formed by each base after it gains one proton? a. H2O b. HCO31- c. HSO31- d. C4H9N 3. What is the [OH-] in each of these cases? a. pH = 4.514 b. [H3O1+] = 7.15×10-4 M c. 6.21×10-5 M HBr d. pOH = 4.514 4. Will each of these salts result in an acidic, basic, or neutral aqueous solution? a. K2HPO4 b. NaCH3COO c. CoCl2 d. LiCl e. Ba(NO2)2 f. NH4Br 5. Calculate the pKa in each of these cases. a. Ka of hypochlorous acid = 3.5×10-8 b. Kb of an unknown base = 4.90×10-11, find the pKa of its conjugate acid c. pKb of ammonia is 4.75, find pKa of its conjugate acid d. A 0.315M solution of unknown acid has a pH of 2.58 6. What is the percent dissociation of a base if a 0.232 M sample of it has a pH of 11.43? Docsity.com

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