Question

Calculati rapoartele atomice si de masa la:
Oxid de fer 2
Sulfat de amoniu
Fosfat de calciu
Oxid de cupru2
Clorula de aluminiu
Oxid de carbon2
Oxid de carbon4
Sulfat de plumb2
Va rog ajutati-ma

Answer 1

FeO atomic: 1:1, masic:56:16
(NH4)2SO4 atomic: N:H:S:O=2:8:1:4, masic: 28:8:32:64
Ca3(PO4)2 atomic: Ca:P:O = 3:2:8, masic: 120:62:128
CuO atomic : 1:1, masic: 64:16=4:1
AlCl3 atomic: Al:Cl=1:3, masic: 27:106.5
CO atomic: 1:1, masic: 12:16=3:4
CO2 atomic: C:O=1:2, masic: 12:32
PbSO4 atomic: Pb:S:O=1:1:4, masic: 207:32:64