Respuesta :
1. H2SO4 = 4
H = 2
S = 1
O = 4
2. 4KNO3 = 8
K = 4
N = 1
O = 3
3. CaCl2: 3
C: 1
Cl: 2
4. 3C2H6: 24
C: 6
H: 18
H = 2
S = 1
O = 4
2. 4KNO3 = 8
K = 4
N = 1
O = 3
3. CaCl2: 3
C: 1
Cl: 2
4. 3C2H6: 24
C: 6
H: 18