M,HCl= 36,5g/mol
M,Ca(OH)2=74g/mol
M,H2O=18g/mol
M,CaCl2= 111g/mol
2x36,5g......74g.............111g..........2x18g
2HCl + Ca(OH)2 ----> CaCl2 + 2H2O
x................y....................z.............540g
x= 540x36,5/18=......................
y=540x74/2x18=.........................
z=540x111/2x18=.....................
finalizeaza calculele !!!!