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Ðàáîòà ?4
Ãèäðîäèíàìè?åñêîå ïîâåäåíèå ïîëèýëåêòðîëèòà
 ÂÎÄÍÎÌ È ÑÎËÅÂÛÕ ÐÀÑÒÂÎÐÀÕ.
ÖÅËÜ ÐÀÁÎÒÛ: ÍÀÕÎÆÄÅÍÈÅ ÓÑËÎÂÈÉ ÈÇÎÈÎÍÍÎÃÎ ÐÀÇÁÀÂËÅÍÈÿ ÐÀÑÒÂÎÐÀ ?ÀÑÒÈ?ÍÎ
ÍÅÉÒÐÀËÈÇÎÂÀÍÍÎÉ ÏÎËÈÀÊÐÈËÎÂÎÉ ÊÈÑËÎÒÛ, ÎÏÐÅÄÅËÅÍÈÅ ÕÀÐÀÊÒÅÐÈÑÒÈ?ÅÑÊÎÉ
ÂÿÇÊÎÑÒÈ ÐÀÑÒÂÎÐÀ È ÑÒÅÏÅÍÈ ÑÂÿÇÛÂÀÍÈÿ ÏÐÎÒÈÂÎÈÎÍÎÂ ÌÀÊÐÎ ÈÎÍÀÌÈ.
ÐÅÀÊÒÈÂÛ: ÂÎÄÍÛÉ ÐÀÑÒÂÎÐ ?ÀÑÒÈ?ÍÎ ÍÅÉÒÐÀËÈÇÎÂÀÍÍÎÉ ÏÎËÈÀÊÐÈËÎÂÎÉ ÊÈÑËÎÒÛ
(ÏÀÊ) ÊÎÍÖ, 0.1 Ã/ÄË È ÑÒÅÏÅÍÈ ÍÅÉÒÐÀËÈÇÀÖÈÈ 0.5, ÂÎÄÍÛÅ ÐÀÑÒÂÎÐÛ NACL
ÊÎÍÖ.: 0.00125 Ì, 0.0025 Ì, 0.005 Ì.
ÏÐÈÁÎÐÛ È ÏÎÑÓÄÀ: ÒÅÐÌÎÑÒÀÒ, ÂÈÑÊÎÇÈÌÅÒÐ ÓÁÁÅËÎÄÅ, ÑÅÊÓÍÄÎÌÅÐ, ÃÐÓØÀ
ÐÅÇÈÍÎÂÀÿ, ÖÈËÈÍÄÐÛ ÌÅÐÍÛÅ ÍÀ 10 ÌË (2ØÒ.), ÏÐÎÌÛÂÀËÊÀ Ñ ÄÈÑÒÈËËÈÐÎÂÀÍÍÎÉ
ÂÎÄÎÉ, ÖÈÔÐÎÂÀÿ ÏÈÏÅÒÊÀ, ÑÒÀÊÀÍ ÄËÿ ÑËÈÂÀ.
ÏÎÐÿÄÎÊ ÐÀÁÎÒÛ
ÍÀ 8 ÌË ÂÎÄÛ ÈÇÌÅÐÿÅÌ ÂÐÅÌÿ ÈÑÒÅ?ÅÍÈÿ T0. ÇÀÒÅÌ ÏÎÌÅÙÀÅÌ Â
ÂÈÑÊÎÇÈÌÅÒÐ 8 ÌË ÈÑÕÎÄÍÎÃÎ ÐÀÑÒÂÎÐÀ ÏÎËÈÝËÅÊÒÐÎËÈÒÀ È ÈÇÌÅÐÿÅÌ T ÈÑÒÅ?ÅÍÈÿ
ÐÀÑÒÂÎÐÎÂ ÐÀÇÍÛÕ ÊÎÍÖÅÍÒÐÀÖÈÉ, ÂÛÏÎËÍÿÿ ÐÀÇÁÀÂËÅÍÈÿ ÐÀÑÒÂÎÐÀ
ÏÎÑËÅÄÎÂÀÒÅËÜÍÛÌ ÄÎÁÀÂËÅÍÈÅÌ 8 ÌË, 8 ÌË È 16 ÌË ÄÈÑÒÈËËÈÐÎÂÀÍÍÎÉ ÂÎÄÛ.
ÇÀÒÅÌ. ÁÅÐåÌ ÐÀÑÒÂÎÐ ÏÎËÈÝËÅÊÒÐÎËÈÒÀ ÈÑÕÎÄÍÎÉ ÊÎÍÖÅÍÒÐÀÖÈÈ ÏÀÊ-NA 0.1 Ã/ÄË,
(=0.5 È ÏÐÎÂÎÄÿÒ 2-Å ÑÅÐÈÈ ÐÀÇÁÀÂËÅÍÈÉ ÝÒÎÃÎ ÐÀÑÒÂÎÐÀ, ÈÑÏÎËÜÇÓÿ Â ÊÀ?ÅÑÒÂÅ
ÐÀÑÒÂÎÐÈÒÅËÅÉ ÐÀÑÒÂÎÐÛ NACL ÊÎÍÖÅÍÒÐÀÖÈÉ Ñ1, C2, È C3 (0.005-0.00125 Ì).
8ÌË ÏÀÊ ÏÎÌÅÙÀÞÒ Â ?ÈÑÒÛÉ ÂÈÑÊÎÇÈÌÅÒÐ, ÈÇÌÅÐÿÞÒ ÂÐÅÌÿ ÈÑÒÅ?ÅÍÈÿ ÝÒÎÃÎ
ÐÀÑÒÂÎÐÀ, ÇÀÒÅÌ ÐÀÇÁÀÂËÿÞÒ ÅÃÎ ÐÀÑÒÂÎÐÎÌ ÑÎËÈ Ñ1, ÄÎÁÀÂËÿÿ ÏÎÑËÅÄÎÂÀÒÅËÜÍÎ
4 ÌË, 8 ÌË, 8 ÌË ÐÀÑÒÂÎÐÀ ÑÎËÈ È ÈÇÌÅÐÿÅÌ T ÈÑÒÅ?ÅÍÈÿ ÐÀÑÒÂÎÐÎÂ.
ÒÅÌÏÅÐÀÒÓÐÀ ÎÏÛÒÀ: 25(Ñ.
ÂÐÅÌÿ ÈÑÒÅ?ÅÍÈÿ ÐÀÑÒÂÎÐÈÒÅËÿ: T0=34.8 ÑÅÊ.
ÒÀÁËÈÖÀ 1.
|ÐÀÑÒÂÎÐÛ |CÏÀÊ . Ã/ÄË |T. ÑÅÊ |[pic] |[pic] |[pic] |
|ÏÀÊ |10 |87.7 |2.52 |1.52 |0.152 |
|ÏÀÊ+8 ÌË H2O |5 |72.5 |2.08 |1.08 |0.216 |
|ÏÀÊ+8 ÌË H2O |3.33 |65.1 |1.87 |0.87 |0.261 |
|ÏÀÊ+16 ÌË H2O |2 |57.3 |1.65 |0.65 |0.325 |
|ÏÀÊ+4 ÌË NACL |6.67 |65.6 |1.89 |0.89 |0.133 |
|0.0025 Ì | | | | | |
|ÏÀÊ+8 ÌË NACL |4 |50.4 |1.45 |0.45 |0.113 |
|0.0025 Ì | | | | | |
|ÏÀÊ+8 ÌË NACL |2.86 |44.8 |1.29 |0.29 |0.101 |
|0.0025 Ì | | | | | |

Âðåìÿ èñòå?åíèÿ ðàñòâîðèòåëÿ: t0 = 35.5 ñåê.
ÒÀÁËÈÖÀ 2.
|ÐÀÑÒÂÎÐÛ |CÏÀÊ . Ã/ÄË |T. ÑÅÊ |[pic] |[pic] |[pic] |
|ÏÀÊ |10 |88.5 |2.49 |1.49 |0.149 |
|ÏÀÊ+4 ÌË NACL |6.67 |70.2 |1.98 |0.98 |0.147 |
|0.00125 Ì | | | | | |
|ÏÀÊ+8 ÌË NACL |4 |54.5 |1.54 |0.54 |0.135 |
|0.00125 Ì | | | | | |
|ÏÀÊ+8 ÌË NACL |2.86 |48 |1.35 |0.35 |0.122 |
|0.00125 Ì | | | | | |
|ÏÀÊ+4 ÌË NACL |6.67 |60.5 |1.7 |0.7 |0.105 |
|0.005 Ì | | | | | |
|ÏÀÊ+8 ÌË NACL |4 |46.4 |1.31 |0.31 |0.078 |
|0.005 Ì | | | | | |
|ÏÀÊ+8 ÌË NACL |2.86 |41.9 |1.18 |0.18 |0.063 |
|0.005 Ì | | | | | |




















ÂÛÂÎÄ: ÍÀÈÁÎËÅÅ ËÈÍÅÉÍÀ ÇÀÂÈÑÈÌÎÑÒÜ ÄËÿ Ñ2
|ÊÎÍÖÅÍÒÐÀÖÈÿ ÏÀÊ, Ã/ÄË |(, ÄË/Ã |I, Ã/ÄË |( |1 - ( |
|0.1 |0.083 |0.0025 |0.05 |0.95 |

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