Question

Problema 7
Urgent
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Answer 1

Răspuns:

Bună,

m NaOH=ms×c/100=200×5/100=10 g NaOH

nr moli NaOH=10/40=0,25 moli

CH3COONa+NaOH =Na2CO3+CH4

1 mol NaOH...1 mol CH4

0,25 moli NaOH...x moli CH4

x=0,25 moli CH4--->V CH4=22,4×0,25=5,6 L CH4