27. Given the following acid dissociation constants, Ka (H3PO4) = 7.5 x 103 Ka (NH4+) = 5.6...
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27. Given the following acid dissociation constants,
Ka (H3PO4) = 7.5 x 10–3
Ka (NH4+) = 5.6 x 10–10
determine the equilibrium constant for the reaction below at 25 ºC.
H3PO4(aq) + NH3(aq) NH4+(aq) + H2PO4-(aq)
a. 4.2 x 10–12
b. 7.5 x 10–8
c. 4.2 x 102
d. 1.3 x 107
e. 2.4 x 1011
Answer: _____
30. When a Lewis acid combines with a Lewis base, the base supplies both electrons to the bond. This type of chemical bond is called a(n) ________ covalent bond.
Related Book For
Thermodynamics An Engineering Approach
ISBN: 978-0073398174
8th edition
Authors: Yunus A. Cengel, Michael A. Boles
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