A 0.0678 M solution of a weak base has a pH of 9.44.What is the identity of the weak base?
Weak Base
K_b
Ethylamine (CH₃CH₂NH₂)
4) 7 × 10^-4
Hydrazine (N₂H₄)
1) 7 × 10^-6
Hydroxylamine (NH₂OH)
1) 1 × 10^-8
Pyridine (C₅H₅N)
1) 4 × 10^-9
Aniline (C₆H₅NH₂)
4) 2 × 10^-10

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The Answer of A 0.0678 M solution of a weak base has a pH of 9.44.What is the identity of the weak base? Weak Base K_b Ethylamine (CH₃CH₂NH₂) 4)7 × 10^-4 Hydrazine (N₂H₄) 1)7 × 10^-6 Hydroxylamine (NH₂OH) 1)1 × 10^-8 Pyridine (C₅H₅N) 1)4 × 10^-9 Aniline (C₆H₅NH₂) 4)2 × 10^-10 A)hydrazine B)pyridine C)ethylamine D)hydroxylamine E)aniline

A 00678 M Solution of a Weak Base Has a PH