1. Two bottles of unknown solutions are found in the lab. They were in the acid/base cabinet so it is believed they are an acid or base (this could go horribly wrong!). Here is the information on each unknown. A: concentration 1.44 M; pH=1.60 D: concentration 0.266 M; pH=8.59 Determine what your unknowns! Choices of acids/bases with the Ka! NH4/NH3 Ammonium/ammonia Formic acid/formate Nitrous acid/nitrite Hydrofluoric acid/fluoride Benzoic acid/benzoate Hypochlorous acid/hypochlorite Ka = 3.98E-10 HCO;H/HCO, HNO/NO; HF/F CGH,O2/CH,O; HCIO/CIO Ka = 1.79E-4 Ka = 4.5E-4 Ka = 6.31E-4 Ka = 6.3E-5 Ka = 3.45E-8

Chemistry
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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter14: Acids And Bases
Section: Chapter Questions
Problem 10RQ: For oxyacids, how does acid strength depend on a. the strength of the bond to the acidic hydrogen...
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1. Two bottles of unknown solutions are found in the lab. They were in the acid/base cabinet
so it is believed they are an acid or base (this could go horribly wrong!). Here is the information
on each unknown.
A: concentration 1.44 M; pH=1.60
D: concentration 0.266 M; pH=8.59
Determine what your unknowns!
Choices of acids/bases with the Ka!
Ammonium/ammonia
Formic acid/formate
Nitrous acid/nitrite
Hydrofluoric acid/fluoride
Benzoic acid/benzoate
Hypochlorous acid/hypochlorite
NH,*/NH3
Ka = 3.98E-10
HCO,H/HCO,
HNO,/NO,
HF/F
Ka = 1.79E-4
Ka = 4.5E-4
Ka = 6.31E-4
Ka = 6.3E-5
Ka = 3.45E-8
HCIO/CIO
Transcribed Image Text:1. Two bottles of unknown solutions are found in the lab. They were in the acid/base cabinet so it is believed they are an acid or base (this could go horribly wrong!). Here is the information on each unknown. A: concentration 1.44 M; pH=1.60 D: concentration 0.266 M; pH=8.59 Determine what your unknowns! Choices of acids/bases with the Ka! Ammonium/ammonia Formic acid/formate Nitrous acid/nitrite Hydrofluoric acid/fluoride Benzoic acid/benzoate Hypochlorous acid/hypochlorite NH,*/NH3 Ka = 3.98E-10 HCO,H/HCO, HNO,/NO, HF/F Ka = 1.79E-4 Ka = 4.5E-4 Ka = 6.31E-4 Ka = 6.3E-5 Ka = 3.45E-8 HCIO/CIO
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