pilne! daje naj :D Zapisz w postaci jonowej:
a) Al(OH)3 + 3HNO3 ---> Al(NO3)3 + 3H2
2Al+6HNO3----->2Al(NO3)3+3H2
3Al2O3+6HNO3----->2Al(NO3)3+3H2O
b) Al2O3+6HCL---->2AlCl3+3H2O
2H3PO4+3Na2O--->2Na3PO4+3H2O
3H2SO4+Fe2O3------>Fe2(SO4)3+3H2O
c) 2NaOH+H2S--->Na2S+2H2O
2Na+H2S--->Na2S+H2
Na2O+H2S----->Na2S+H2O
Z góry dziękuję za pomoc! (:
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Al3+ + OH- + 3H+ + 3NO3- à Al3+ + 3NO3- + H2
2Al3+ + 6H+ + 6NO3- à 2Al3+ + 6NO3- + 3H2
3Al2O3 + 6H+ + 6NO3- à 2Al + 6NO3- + 3H2O
Al2O3 + 6H+ + 6Cl- à 2Al3+ + 6Cl- + 3H2O
6H+ + PO42- + 3Na2O à 6Na++ PO42- + 3H2O
6H+ + SO42- + Fe2O3à 2Fe3+ + SO42-+ 3H2O
2Na+ + 2OH- + H2S à 2Na+ S2- + 3SO42- -+ 3H2O
2Na+ +OH- + H2S à 2Na+ S2- + 2H2O
2Na+ + H2Sà 2Na+ S2- + H2
Na2O+H2S à 2Na+ + H2O