rogor movemzadoT pedagogTa sasertifikacio gamocdisaTvis
rogor movemzadoT pedagogTa sasertifikacio gamocdisaTvis
rogor movemzadoT pedagogTa sasertifikacio gamocdisaTvis
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38. maqsimaluri Sefaseba _ 5 qula<br />
38.1 maqsimaluri Sefaseba _ 2 qula<br />
Sefasebis sqema<br />
am davalebaSi srulyofilad CaiTvleba da 2 quliT fasdeba pasuxi,<br />
romelSic Cans, rom cdis arsis gasagebad aucilebelia Semdegi ZiriTadi<br />
sakiTxebis codna:<br />
marilTa hidrolizi<br />
reaqciis Seqcevadoba da/an wonasworobis gadaxris pirobebi<br />
arasrulyofilad CaiTvleba da 1 quliT fasdeba pasuxi, romelSic am ori<br />
ZiriTadi sakiTxidan mxolos erTia naxsenebi.<br />
pasuxi, romelSic es sakiTxebi saerTod ar figurirebs, fasdeba 0 quliT.<br />
swori pasuxis erT-erTi varianti:<br />
kristalhidratebi da kristalizaciuri wyali<br />
marilebis hidrolizi<br />
reaqciis Seqcevadoba<br />
indikatorebis moqmedeba<br />
38.2 maqsimaluri Sefaseba _ 3 qula<br />
Sefasebis sqema<br />
am davalebaSi srulyofilad CaiTvleba da 3 quliT fasdeba pasuxi,<br />
romelSic cdis msvleloba logikurad da Tanmimdevruladaa axsnili,<br />
kerZod, pasuxSi unda Candes, rom:<br />
I. gacxelebisas kristalhidratidan gamoiyofa wyali _ 1 qula<br />
II. gamoyofili wyali axdens acetatis hidrolizs, ris Sedegadac<br />
warmoiqmneba tute are, rac iwvevs Seferilobis cvlilebas _ 1 qula)<br />
III. gacivebisas mimdinareobs sapirispiro procesebi – neitralizacia da<br />
kristalhidratis warmoqmna (1 qula)<br />
Tu pasuxSi daSvebulia uxeSi Secdoma, maSin saerTo Sefasebas akldeba<br />
1 qula.<br />
swori pasuxis erT-erTi varianti:<br />
natriumis acetatis kristalhidrati gacxelebiT iSleba da gamoiyofa wyali.<br />
gamoyofil wyalSi natriumis acetati, romelic susti mJavasa da Zlieri fuZis<br />
marilia, hidrolizdeba da miiReba tute are, romelSic fenoftaleini<br />
Jolosfers Rebulobs.<br />
gacivebisas mimdinareobs sapirispiro reaqciebi _ natriumis tute aneitralebs<br />
ZmarmJavas, xolo warmoqmnili natriumis acetati ierTebs wyals.<br />
gacxeleba<br />
CH3COONa . nH2O CH COONa<br />
3 + nH2O gaciveba<br />
CH COONa 3 + H2O gacxeleba<br />
gaciveba<br />
CH3COOH +<br />
NaOH<br />
59
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