Exercitiul 2 complet si multumesc in avans
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miu,MgCl2=95g/mol
miu,CaSO4=136g/mol
miu,Na2CO3=106g/mol
95g............106g
MgCl2 + Na2CO3======> 2NaCl +MgCO3↓
0,1g................x
x=m=0,1115g
136g.............106g
CaSO4+ Na2CO3---> Na2SO4+ CaCO3↓
0,15g,,,,,,,,,,,,,x
x=m=0,1169g
m,total= 0,2284gNa2CO3
Explicație: