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What combination of substances will give a buffered solution that has a pH of 5.05? (Assume each ...

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What combination of substances will give a buffered solution that has a pH of 5.05? (Assume each ...

What combination of substances will give a buffered solution that has a pH of 5.05? (Assume each pair of substances is dissolved in 5.0 L of water.) (K_b for NH₃ = 1.8 × 10^–5; K_b for C₅H₅N = 1.7 × 10^–9)

▸ 1.0 mole NH₃ and 1.5 mole NH₄Cl

▸ 1.5 mole NH₃ and 1.0 mole NH₄Cl

▸ 1.0 mole C₅H₅N and 1.5 mole C₅H₅NHCl

▸ 1.5 mole C₅H₅N and 1.0 mole C₅H₅NHCl

▸ None of these are correct.

Textbook

Chemistry: An Atoms First Approach

Edition: 3^rd

Authors: Zumdahl, DeCoste

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