Use the following table to predict the best acid / base pair for the desired pH/pOH value:pOH = 10.85What is the best acid AND base pair?NameAcidBasepKaHydrochloric acidHClCl--7.00Phosphoric acidH3PO4H2PO4-2.12Hydrofluoric acidHFF-3.18Lactic acidLactic acidLactate3.85Acetic acidCH3COOHCH3COO-4.74Carbonic acidH2CO3HCO3-6.36Dihydrogen phosphateH2PO4-HPO42-7.21AmmoniumNH4+NH39.25Hydrocyanic acidHCNCN-9.31BicarbonateHCO3-CO32-10.25Methylammonium ionCH3NH3+CH3NH210.62Hydrogen phosphateHPO42-PO43-12.38

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Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Use the following table to predict the best acid / base pair for the desired pH/pOH value:
pOH = 10.85
What is the best acid AND base pair?

Name	Acid	Base	pK_a
Hydrochloric acid	HCl	Cl^-	-7.00
Phosphoric acid	H₃PO₄	H₂PO₄^-	2.12
Hydrofluoric acid	HF	F^-	3.18
Lactic acid	Lactic acid	Lactate	3.85
Acetic acid	CH₃COOH	CH₃COO^-	4.74
Carbonic acid	H₂CO₃	HCO₃^-	6.36
Dihydrogen phosphate	H₂PO₄^-	HPO₄^2-	7.21
Ammonium	NH₄⁺	NH₃	9.25
Hydrocyanic acid	HCN	CN^-	9.31
Bicarbonate	HCO₃^-	CO₃^2-	10.25
Methylammonium ion	CH₃NH₃⁺	CH₃NH₂	10.62
Hydrogen phosphate	HPO₄^2-	PO₄^3-	12.38

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