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Stężenie indykatora |
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0,00243 |
-1 |
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Barwy indykatora przy pH |
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1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
10 |
11 |
12 |
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żółty |
żółty |
żółty |
żółty |
żółty |
pomarqańczowy |
czerwony |
różowy |
różowy |
różowy |
różowy |
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roztwór o pH << pK: 10 |
roztwór o pH >> pK : 4 |
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Przygotowanie roztworów do pomiaru |
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Do pomiarów użyto roztworów buforowych: McIlvaine'a / Clarca-Lubsa |
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Nr roztworu |
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1 |
7,75 |
2,25 |
4 << pK |
- |
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2 |
6,30 |
3,70 |
5,5 |
Vander:
Odczytane z tabeli 14.10 z książki " Obliczenia Fizykochemiczne "
0,139 |
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3 |
5,90 |
4,10 |
6,0 |
0,163 |
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4 |
5,45 |
4,55 |
6,5 |
0,195 |
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5 |
4,95 |
5,05 |
7,0 |
0,23 |
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6 |
4,60 |
5,40 |
7,5 |
0,251 |
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7 |
4,25 |
5,75 |
8,0 |
0,286 |
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8 |
2,70 |
7,30 |
10 >> pK |
- |
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Obliczenia dla maksimum formy kwasowej |
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Nr |
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1 |
<<pK |
0,053 |
- |
- |
- |
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2 |
5,5 |
0,104 |
0,139 |
16,6470588235294 |
-0,4147 |
0,8066 |
4,6934 |
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3 |
6,0 |
0,139 |
0,163 |
9,46511627906977 |
-0,4392 |
0,5369 |
5,4631 |
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4 |
6,5 |
0,182 |
0,195 |
5,97674418604651 |
-0,4678 |
0,3087 |
6,1913 |
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5 |
7,0 |
0,262 |
0,23 |
3,30622009569378 |
-0,4950 |
0,0244 |
6,9756 |
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6 |
7,5 |
0,402 |
0,251 |
1,57879656160458 |
-0,5097 |
-0,3114 |
7,8114 |
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7 |
8,0 |
0,603 |
0,286 |
0,636363636363636 |
-0,5321 |
-0,7284 |
8,7284 |
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8 |
>>pK |
0,953 |
- |
- |
- |
- |
- |
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Statystyczne opracowanie wyników |
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Lp. |
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1 |
6,9248 |
6,6438 |
6,6438 |
4,6934 |
3,80438065425644 |
1,87030797586668 |
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2 |
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5,4631 |
1,394244622836 |
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3 |
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6,1913 |
0,204805633744009 |
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4 |
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6,9756 |
0,110077586395953 |
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5 |
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7,8114 |
1,36307957363079 |
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6 |
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8,7284 |
4,34525978433689 |
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SUMA |
11,2218478552001 |
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= |
6,6438 |
± |
1,8703 |
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553,7 |
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Obliczenia dla maksimum formy zasadowej |
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Nr |
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1 |
<<pK |
0,400 |
- |
- |
- |
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2 |
5,5 |
0,402 |
0,139 |
-120 |
-0,87977 |
Err:502 |
Err:502 |
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3 |
6,0 |
0,391 |
0,163 |
25,4444444444444 |
-0,87160 |
0,5340 |
5,5 |
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4 |
6,5 |
0,373 |
0,195 |
7,81481481481481 |
-0,86208 |
0,0308 |
6,5 |
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5 |
7,0 |
0,353 |
0,23 |
4,06382978723404 |
-0,85302 |
-0,2441 |
7,2 |
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6 |
7,5 |
0,325 |
0,251 |
2,17333333333333 |
-0,84811 |
-0,5110 |
8,0 |
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7 |
8,0 |
0,234 |
0,286 |
0,433734939759036 |
-0,84064 |
-1,2034 |
9,2 |
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8 |
>>pK |
0,162 |
- |
- |
- |
- |
- |
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Statystyczne opracowanie wyników |
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Lp. |
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1 |
6,6641 |
7,2787 |
7,2787 |
5,4660 |
3,28595083010543 |
1,6366 |
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2 |
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6,4692 |
0,65539830077382 |
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3 |
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7,2441 |
0,001200662834998 |
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4 |
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8,0110 |
0,536190445138349 |
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5 |
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9,2034 |
3,7044171165479 |
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6 |
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SUMA |
8,1831573554005 |
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= |
7,2787 |
± |
1,6366 |
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439,0 |
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Obliczone numerczynie |
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= |
6,96128613128181 |
± |
1,75346972347339 |
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