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13 Dec 2019
1. The Ka for HF is 6.9 x 10-4. What is the value of Kb for F-? (Show your calculations)
2. The Kb for NH3 is 1.8 x 10-5. What is the value of Ka for NH4+? (Show your calculations)
3. From what acid and what base were the following salts made and what would you expect the pH of the salt solution to be (> 7, =7 or <7)? Why?
Rb3PO4
NH4I
1. The Ka for HF is 6.9 x 10-4. What is the value of Kb for F-? (Show your calculations)
2. The Kb for NH3 is 1.8 x 10-5. What is the value of Ka for NH4+? (Show your calculations)
3. From what acid and what base were the following salts made and what would you expect the pH of the salt solution to be (> 7, =7 or <7)? Why?
Rb3PO4
NH4I
Jarrod RobelLv2
17 Dec 2019
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