kb for nh3|Solved Using kb for NH3, calculate ka for the NH4+ ,penes con pelo

Question: What is the percenkb for nh3t of the unprotonated form of ammonia (Kb NH3 = 1.74 x 10-5) in a solution at pH 8.68? What is the percent of the unprotonated form of ammonia ( Kb NH 3 = 1 . 7 4 x 1 0 - 5 ) in a solution at pH

8. Use the Henderson-Hasselbalch equation to calculate the pH of each solution. a solution that is 0.18 M in HCHO2 and 0.12 M in NaCHO2 (Ka(HCHO2)=1.8×10−4) Express your answer to two decimal places. Part B a solution that is 0.14 M in NH3 and 0.20 M in NH4Cl (Kb(NH3)=1.76×10−5) Express your answer to two decimal places. 3.

Question: Using kb for NH3, calculate ka for the NH4+ ion. Compare this value with that calculated from your measured pHs. Using k b for NH 3 , calculate k a for the NH 4 + ion.

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