+ \(CaCO_3\): canxi cacbonat
\({M_{CaC{O_3}}} = {M_{Ca}} + {M_C} + 3{M_O} = 40 + 12 + 16.3 = 100{\text{ (u)}}\)
+ \(H_2SO_4\): axit sunfuric
\({M_{{H_2}S{O_4}}} = 2{M_H} + {M_S} + 4{M_O} = 1.2 + 32 + 16.4 = 98{\text{ (u)}}\)
+ \(H_3PO_4\): axit photphoric
\({M_{{H_3}P{O_4}}} = 3{M_H} + {M_P} + 4{M_O} = 1.3 + 31 + 16.4 = 98{\text{ (u)}}\)
+ \(CaO\): canxi oxit
\({M_{CaO}} = {M_{Ca}} + {M_O} = 40 + 16 = 56{\text{ (u)}}\)