Question

Raport de masa pentru :

a)Na3 Po4;
b)Mg(OH)2;
c)So2;
d)H2 So4
Va rog am nevoie pana maine

Answer 1

Na3PO4
raport de masa=r.m.=3ANa :AP:4AO=3.23:31:4.16=69:31:64

Mg(OH)2
r.m.=AMg:2AO:2AH=2.24:2.16:2=48:32:2=24:16:1
                                                      (se simplifica cu 2)

SO2
r.m.=AS:2AO=32:2.16=32:32=1:1


H2SO4
r.m.=2AH:AS:4AO=2:32:4.16=2:32:64=1:16:32