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Which Combination Would Make the MOST Effective Buffer Solution

Question 15

Multiple Choice

Which combination would make the MOST effective buffer solution?

A) 0.1 M H₂CO₃ and 1.0 M NaHCO₃
B) 0.1 M H₂CO₃ and 0.1 M NaHCO₃
C) 0.1 M H₂CO₃ and 2.0 M NaHCO₃
D) 0.15 M H₂CO₃ and 0.015 M NaHCO₃

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