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Home Q & A Board Science-Related Homework Help Chemistry (Moderator: Laser_3)
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serenanurse serenanurse
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3 years ago
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.) (Kb for NH3 = 1.8 × 10–5; Kb 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

Chemistry: An Atoms First Approach


Edition: 3rd
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rbarts7rbarts7
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serenanurse Author
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3 years ago
Smart ... Thanks!
nadiia
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Yesterday
Thank you, thank you, thank you!
riptide
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2 hours ago
This calls for a celebration Person Raising Both Hands in Celebration
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