rogor movemzadoT pedagogTa sasertifikacio gamocdisaTvis

42. mocemulia amocana:
"200 g natriumis tutis xsnarSi Warbad gaatares gogird(IV)-is oqsidi,
ris Sedegadac xsnaris masa 6.4 g-iT gaizarda. gamoTvaleT reaqciis
Sedegad STanTqmuli airis moculoba (n. p.) da tutis masuri wili
sawyis xsnarSi."
erT-erTma moswavlem es amocana Semdegnairad amoxsna:
2NaOH + SO2 ⟶ Na2SO3 + H2O
ν(SO) = .
= 0.1 moli
V(SO ) = 0.1 ∙ 22.4 = 2.24 l.
ν(NaOH) ∶ν(SO ) =2∶1, ν(NaOH) =0.1∙2=0.2 moli
m(NaOH) =0.2∙30=6 g
NaOH ნ.∙ 100%
ხს..
= ∙ 100%
=3%.
pasuxi: V(SO ) = 2.24 l; NaOH 3%.
SeafaseT moswavlis mier Sesrulebuli naSromi qvemoT mocemuli
instruqciis da Sefasebis sqemis mixedviT.
instruqcia:
amocana fasdeba maqsimum 10 quliT.
Sefaseba unda moxdes mxolod sqemaSi mocemuli xuTi kriteriumis
mixedviT.
TiToeuli kriteriumi fasdeba 0, 1 an 2 quliT.
Sefasebis erT-erTi mTavari principia: erTi konkretuli Secdoma
isjeba mxolod erTxel. (Tu moswavle uSvebs Secdomas da akldeba
qula erT-erTi kriteriumis mixedviT, maSin SemdgomSi mas ar unda
daakldes qula iseTi SecdomisTvis, romelic ukve dafiqsirebuli
SecdomiTaa gamowveuli).
gaiTvaliswineT, rom komentaris gakeTeba aucilebelia yvela
kriteriumisTvis!
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