Question

0,15 mol CaCo₃=........g
5 mol Ca(OH)₂=........g

am nevoie de ajutor varog​

Answer 1

Răspuns:

MCaCO3=ACa+AC+3AO=100g/mol

m=n×M=0,15mol×100g/mol=15g CaCO3

MCa(OH)2=ACa+2AO+2AH=74g/mol

m=n×M=5mol×74g/mol=370g Ca(OH)2