Got .43 but they indicated \"Not Quite.\" Many common weak bases are derivatives

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Got .43 but they indicated "Not Quite."

Many common weak bases are derivatives of NH 3 where one or more of the hydrogen atoms have been replaced by another substituent. Such reactions can be generically symbolized as where NX 3 is the base and HNX 3 + is the conjugate acid. The equilibrium-constant expression for this reaction is where K b is the base ionization constant. The extent of ionization, and thus the strength of the base, increases as the value of K b increases Significant Figures Feedback: Your answer 3 was either rounded differently or used a different number of significant figures than required for this part If K b for NX 3 is 6.5 times 10 -6, what is the percent ionization of a 0.325 M aqueous solution of NX3? Express your answer numerically to three significant figures.

Explanation / Answer

o.447

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