Răspuns:
a.
1mol..........1mol..........1mol.......1mol
Ca(OH)2 +CO2--->CaCO3+H2O
x.................10mol
x= 10molCa(OH)2
M,Ca(OH)2=74g/mol
m= niuxM= 10molx74g/mol=740g
c=mdx100/ms-----> ms= mdx100/c= 740x100./2 g=37000g
1mol.............2mol
Ca(OH)2 +2HCl---> CaCL2 + 2H2O
10mol...........x=niu=20molHCl
Explicație: