zadaci

Submitted by nb97 on Thu, 01/30/2014 - 18:47
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Opšta diskusija

napisi sledece jednacine u jonskom obliku:

1. NH4Cl+NaOH ---> NH3+NaCl+H2O

(ja sam dobio ovako: NH4^+ + OH^- --- HN3 + H2O)

2. K2HPO4+2H2O ---- H3PO4 + 2KOH

(HPO4^2- + 2H2O --- H3PO4 + 2OH^-)

3. NaNO2 + H2O --- NaOH + HNO2

(NO2^- + H2O --- OH^- + HNO2)

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milicaradenkovic - Thu, 01/30/2014 - 18:52

Jedan zadatak jedna tema.