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24<br />
amocana<br />
gansazRvreT Jangbadisa da wylis masebi, Tu cnobilia, rom JangbadSi daiwva<br />
10 g wyalbadi.<br />
amoxsna:<br />
gamovTvaloT 10 g wyalbadis raodenoba<br />
ν(H 2 ) = m<br />
M =<br />
5 moli x 1 x 2<br />
2H 2 + O 2 = 2H 2 O<br />
2 moli 1 moli 2 moli<br />
x 1 = 5 moli . 1 moli<br />
2 moli<br />
5 moli<br />
2 moli =<br />
10g<br />
2g/moli<br />
= 5moli<br />
= 2,5moli O 2<br />
m(O 2 ) = ν .M<br />
m(O 2 ) = 2,5moli . 32g/moli=80g<br />
x2 2 moli , x2 = 5 moli . 2 moli<br />
2 moli<br />
m(H 2 O) = M. ν =18g/moli . 5 moli=90g<br />
= 5 moli H 2 O<br />
ganvixiloT amocanis amoxsnis magaliTi, rodesac reaqciaSi Sesuli erT-erTi<br />
nivTiereba narevis saxiTaa.<br />
amocana<br />
ras udris wyalbadis moculoba (n. p), romelic saWiroa 640 g rkina (III)-is<br />
oqsidis aRsadgenad, romelic 25% minarevs Seicavs?<br />
amoxsna:<br />
1) davadginoT rkina (III)-is oqsidis Semcveloba narevSi.<br />
amocanis pirobis mixedviT, narevSi sufTa rkina (III)-is oqsidis Semcvelobaa<br />
75%, anu ω = 0,75.<br />
m(nivT)= m (narevi).ω.<br />
m( Fe2O3)<br />
= 640<br />
g ⋅ 0,<br />
75 = 480 g.<br />
2) gamovTvaloT 480 g Fe2O3-is raodenoba:<br />
m 480 g<br />
ν = ; ν =<br />
= 3 moli.<br />
M 160 g/moli<br />
3) davweroT qimiuri reaqciis toloba:<br />
3 moli x<br />
O + 3H<br />
= 2Fe<br />
+ 3H<br />
O.<br />
Fe2 3 2<br />
2<br />
1 moli 3moli<br />
4) SevadginoT Tanafardoba:<br />
3moli x<br />
= ;<br />
1 moli 3moli x=9 moli H2.<br />
5) gamovTvaloT wyalbadis mocu loba:<br />
V =<br />
VM<br />
⋅ ν;<br />
V = 22,<br />
4 l/moli ⋅ 9 moli = 201,<br />
6 lH<br />
.<br />
2