Odpowiedzi

2010-01-13T11:24:33+01:00
A) n=5mol M=40,08+2*1,008+2*16=74,1g/mol
m=n*M=5mol * 74,1g/mol=370,5g
b) n=4mol M=22,99+35,45=58,44g/mol
m=n*M=4mol * 58,44g/mol=233,76g
c)n=6mol M=2*1,008+32,06+4*16=98,08g/mol
m=n*M=6mol * 98,08g/mol=588,48g