Răspuns:
Explicație:
800g xg yg
CaCO3 = CaO + CO2
100g 56g 44g
x=800.56 : 100=448g CaO
n=448g : 56g/moli=8moli CaO
y=800.44 :100=-352 gCO2
n=352 g : 44=8moli CO2
MCaCO3 =40+12+3.16=100---->100g/moli
MCaO=40+16=56---->56g/moli
MCO2=12+2.16=44-----> 44g/moli