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1.
CaCO3 + 2 HCl = CaCl2 + CO2 * H2O
CaCO3 + H2S = CaS + CO2 * H2O
CaCO3 + H2SO4 = CaSO4 + CO2 * H2O
CaCO3 + 2 HNO3 = Ca(NO3)2 + CO2 * H2O
3 CaCO3 + 2 H3PO4 = Ca3(PO4)2 + 3 CO2 * 3 H2O
CaCO3 + CO2 + H2O = Ca(HCO3)2
CaCO3 + CO2 + H2O = Ca 2+ + 2 HCO3 -
2.
a)
172 g hydratu = 100%
36 g wody = 20, 9 %
b)
219 g hydratu = 100%
108 g wody = 49, 3 %