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Data Table 2. Solutions of Ammonium lon- Ammonia Solution [NHaCl], M Acid, base, or neutral? Experimental pH NH3], M 0.10 1.0

The concentrations of [NHaCI] and [NH3] will need to be calculated using the ICE-box method before they are entered in the ta

Table 3. Determining Ko and pKs for Ammonium ion. Solution[H30*], M [NHa], M NHACI], M Calculated Ko Calculated pKa for NHA f

Data Table 2. Solutions of Ammonium lon- Ammonia Solution [NHaCl], M Acid, base, or neutral? Experimental pH NH3], M 0.10 1.0 0.050 0.50 0 0 0 0.05 0.50 0.10 6.23 Acid cid Base Bage base .5 lo. &&
The concentrations of [NHaCI] and [NH3] will need to be calculated using the ICE-box method before they are entered in the table below. Show one representative calculation. (Attach an additional sheet of paper to this lab if necessary.) 2.
Table 3. Determining Ko and pKs for Ammonium ion. Solution[H30*], M [NHa], M NHACI], M Calculated Ko Calculated pKa for NHA for NH4 589X1 -lo 4.5 Xlo 3.09x10 .22x IO -to Not req'd Not req'd
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Answer #1

pH- pK+log[NH3l/[NH4CI] If [NHbl INH.CI] then pH-pKa Which is the case for solution Cand D. So pKa calculated is average of 9

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