Propionic acid (CH3CH2COOH)has a Ka = 1.3 × 10-5 and phosphoric acid (H3PO4)has a Ka = 7.5 10 -3.Write the conjugate base for each.Which one is the stronger base?
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Q18: What is the conjugate acid of HSO4-?
A)SO42-
B)H2SO4
C)H3O+
D)OH-
E)H2SO3
Q19: Which statement concerning Arrhenius acid-base theory is
Q20: The H3O+ ion is called the _
Q21: Hydrogen cyanide,HCN,is a weak acid.Which equation best
Q22: What is the conjugate acid of water?
A)H2O(l)
B)H3O+(aq)
C)OH-(aq)
D)H+(aq)
E)O2-(aq)
Q24: Which compound has a value of Ka
Q25: Which compound has a very large value
Q26: What is the correct Ka expression for
Q27: Which reaction best illustrates the behavior of
Q28: At 25°C,the value of Kw is
A)1.00.
B)1.00 ×
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