Podane równania zapisz w formie cząsteczkowej , jonowej i skróconej jonowej: a) HCl+ KOH → ………… +……….. b) Mg(OH)2 + HNO3 → ……… + ……….. c) CaCl2 + Na2SO4 → ………. + ……….↓ d) K2S + H2O →
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a)HCl+KOH--->KCl+H2O
H+ +Cl- +K+ +OH- --->K+ +Cl- +H2O
H+ +OH- --->H2O
b)Mg(OH)2+2HNO3--->Mg(NO3)2+2H2O
Mg2+ +2OH- +2H+ +2NO3- --->Mg2+ +2NO3- +2H2O
2OH- +2H+ --->2H2O
OH- +H+ --->H2O
c)CaCl2+Na2SO4--->2NaCl+CaSO4(strzałka w dół)
Ca2+ +2Cl- _2Na+ +SO4 2- --->2Na+ +2Cl- +CaSO4(strzałka w dół)
Ca2+ +SO4 2- --->CaSO4(strzałka w dół)
d)K2S+2H2O--->2KOH+H2S
2K+ +S2- +2H2O--->2K+ +2OH- +H2S
S2- +2H2O--->2OH- +H2S