IB
IBO
Chemistry
May 2009
QP-200905-Chemistry-P1(TZ1)-HL · Question 28
Question (excerpt):
28. Which mixtures could act as buffers? I. NaOH (aq) and HCl (aq) II. NaOH (aq) and CH3COOH (aq) III. HCl (aq) and CH3COONa (aq) A. I and II only B. I and III only C. II and III only D. I, II and III
28. Which mixtures could act as buffers? I. NaOH (aq) and HCl (aq) II. NaOH (aq) and CH3COOH (aq) III. HCl (aq) and CH3COONa (aq) A. I and II only B. I and III only C. II and III only D. I, II and III
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