HCO3- + H+ = CO2↑ + H2O
Fe2+ + 2 NH3H2O = Fe(OH)2↓ + 2 NH4+
HF + OH- = H2O + F-
HCO3- + OH- = CO32- + H2O
说明:
NaHSO4是强酸的酸式盐,要全部拆开.NaHCO3是弱酸的酸式盐,酸根不能拆.
HF是弱酸,需要保留化学式.
HCO3- + H+ = CO2↑ + H2O
Fe2+ + 2 NH3H2O = Fe(OH)2↓ + 2 NH4+
HF + OH- = H2O + F-
HCO3- + OH- = CO32- + H2O
说明:
NaHSO4是强酸的酸式盐,要全部拆开.NaHCO3是弱酸的酸式盐,酸根不能拆.
HF是弱酸,需要保留化学式.