XI klasi - Ganatleba
XI klasi - Ganatleba
XI klasi - Ganatleba
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8.3 gv.98<br />
46<br />
2) m(ZnS) =1000kg⋅0,8 = 800kg.<br />
800kg<br />
2ZnS + 3O 2 → 2ZnO + 2SO 2<br />
2 moli<br />
194kg<br />
x = 184,7m 3<br />
V (praqtikuli) = 184,7m 3 ⋅ 0,9 =166,3m 3<br />
8.5 gv.106<br />
1moli<br />
2NaOH + SO 2 → Na 2 → Na 2 SO 3 + H 2 O<br />
n(SO 2 ) = n(S) = 0,5 moli<br />
m(S) = 16 g<br />
w(S) =<br />
0,5moli<br />
16 g<br />
=<br />
17g<br />
0,<br />
94(<br />
94%)<br />
1. 2MeS + 3O 2 → 2MeO + 2SO 2<br />
0,5moli<br />
9.2 gv.116<br />
0,5 moli<br />
2 moli 1 moli<br />
0,5 moli<br />
SO 2 + 2H 2 O + I 2 → 2HI + H 2 SO 4<br />
48,<br />
52g<br />
M ( MeS)<br />
= = 97g/moli<br />
0,5 moli<br />
m(Me) = 97g − 32g = 65g e.i. Zn<br />
N 2 + 3H 2 → ← 2NH 3<br />
x m 3<br />
2 moli<br />
44,8m 3<br />
0,5 moli<br />
roca ∆V = 2 l reaqciaSi Sedis 3 l H 2<br />
roca ∆V = 20 l reaqciaSi Sedis x l H 2<br />
x = 30 l (H 2 ) V = (N 2 ) = 10l
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