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Consider a buffer prepared from the weak acid HCO3 and its conjugate base, CO32": HCO3 (aq) + H20(1) =co3?(aq) + H3o*(aq) 1. Explain why both HCO3 and CO32- are needed to prepare the buffer. 2. What happens to the concentrations of HCO3 and CO3²- when a small amount of acid is added to the buffer? 3. What happens to the concentrations of HCO3 and CO3²¯ when a small amount of base is added to the buffer?

Consider a buffer prepared from the weak acid HCO3 and its conjugate base, CO32": HCO3 (aq) + H20(1) =co3?(aq) + H3o*(aq) 1. Explain why both HCO3 and CO32- are needed to prepare the buffer. 2. What happens to the concentrations of HCO3 and CO3²- when a small amount of acid is added to the buffer? 3. What happens to the concentrations of HCO3 and CO3²¯ when a small amount of base is added to the buffer?

General, Organic, and Biological Chemistry
General, Organic, and Biological Chemistry
7th Edition
ISBN:9781285853918
Author:H. Stephen Stoker
Publisher:H. Stephen Stoker
Chapter10: Acids, Bases, And Salts
Section: Chapter Questions
Problem 10.113EP
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Consider a buffer prepared from the weak acid HCO3 and its conjugate base, CO32": НСОЗ (аg) + H20) =Co,²-(aq) + H3O*(aq) 1. Explain why both HCO3 and CO32- are needed to prepare the buffer. 2. What happens to the concentrations of HCO3 and CO3²- when a small amount of acid is added to the buffer? 3. What happens to the concentrations of HCO3 and CO3²- when a small amount of base is added to the buffer?
Transcribed Image Text:Consider a buffer prepared from the weak acid HCO3 and its conjugate base, CO32": НСОЗ (аg) + H20) =Co,²-(aq) + H3O*(aq) 1. Explain why both HCO3 and CO32- are needed to prepare the buffer. 2. What happens to the concentrations of HCO3 and CO3²- when a small amount of acid is added to the buffer? 3. What happens to the concentrations of HCO3 and CO3²- when a small amount of base is added to the buffer?
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