Codeine (C₁₈H₂₁NO₃,299 $\times$ 10^-6
B)3 $\times$ 10^-9
C)9 $\times$ 10^-7
D)2 $\times$ 10^-2
E)8 $\times$

question 5

Multiple Choice

Codeine (C₁₈H₂₁NO₃,299.4 g/mol) is a weak base.Suppose a 2.00 g pain tablet containing 30.0 mg codeine is dissolved in water to produce a 0.100 L solution with a pH of 9.470.Based on this information,determine the value of K_b for codeine.

• A)8.6 \(\times\) 10^-6
• B)3.4 \(\times\)10^-9
• C)9.3 \(\times\) 10^-7
• D)2.9 \(\times\) 10^-2
• E)8.7 \(\times\) 10^-7

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