ZQT-s_Lab-is_AKROBATSHI.pdf

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ZQT-s_Lab-is_AKROBATSHI.pdf

sadac G S aris drois mocemul monakveTSi amomwvari gogirdis

raodenoba, g; V I ‐ STamnTqmel WurWelSi moTa-

2

V ‐

vsebuli iodis 0,1 n xsnaris raodenoba, sm3 ; Na2S

2O3

Tiosulfatis 0,1 n xsnaris raodenoba, romelic Warbi

iodis gatitvraze daixarja, sm3 . n da m - xsnarebis

normalobis Semasworebeli koeficientebi. 0 , 0016 ‐ 1 ml

0,1 n iodis xsnaris Sesabamisi gogirdis raodenoba, gamoTvlili

Semdegi reaqciis mixedviT:

SO2 + I2 + 2H2O → H2SO4 + 2HI;

ician ra gogirdis Semcveloba almadnis wonakSi,

angariSoben gogirdis gamoyenebis koeficients, an drois

garkveul monakveTSi amomwvari gogirdis raodenobis

fardobas gogirdis saerTo raodenobasTn.

aRsaniSnavia, rom iodometruli meTodi ar iZleva

zust Sedegs, radgan HI Jangbadis moqmedebiT, gansakuTrebiT

mJava garemoSi, iSleba Tavisufali iodis

gamoyofiT:

2HI + 0,5SO2 → H2O + I2 ,

romelic xelmeored Sedis reaqciaSi WurWelSi axlad

Semosul SO2-is nakadTan da amitom gviCvenebs mis nakleb

raodenobas, vidre sinamdvileSia.

ufro zust Sedegs miviRebT Tu iodis nacvlad

berToles marilis 3%-ian xsnars gamoviyenebT. ber-

Toles mariliT SO2 iJangeba SO3-ad da rCeba xsnarSi

H2SO4-is saxiT:

11

12

3SO2 + KClO3 + 3H2O → 3H2SO4 + KCl;

cdis Semdeg mas titraven NaOH-is 0,1 n xsnariT

meTilnarinjis, rogorc indikatoris, Tanaobisas. am SemTxvevaSi

amomwvari gogirdis raodenobas angariSoben

formuliT:

GS = 0,0016VNaOH · K,

sadac VNaOH aris gatitvraze daxarjuli NaOH-is

0,1 n xsnaris raodenoba, sm 3 ; K - NaOH-is xsnaris

normalobis Semasworebeli koeficienti;

0,0016 – gogirdis raodenoba, romelic Seesabameba

0,1 n NaOH-is 1 sm 3 -s Semdegi reaqciiT:

Na2SO4 + 2NaOH →Na2SO4 + 2H2O

cdis Sedegebi SeaqvT cxrilSi.

Catarebuli eqsperimentuli samuSaos

gasaformeblad saWiroa

1. daixazos gogirdis almadnis gamowvis danadgaris

sqema;

2. Camoiweros mocemuloba;

3. gamoiTvalos drois TiToeul monakveTSi amom-wvari

gogirdis raodenoba (g, %) da gogirdis amowvis saerTo

xarisxi;

4. eqsperimentisa da gaangariSebis Sedegebi dafiqsirdes

cxrilSi;

5. aigos amomwvari gogirdis raodenobis amowvis droisagan

damokidebulebis kinetikuri mrudebi.

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