Question

Massas atômicas (g)
H = 1,0; C = 12,0; N = 14,0; Na = 23,0; O = 16,0; Ca = 40,0; S = 32,0; Al = 27,0; Fe = 56,0; P = 31,0.
1. Relacione as massas moleculares às fórmulas das substâncias *

27,0 g 40,0 g 100,0 g 82,0 g 342,0 g 326,0 g

a) Fe3(PO3)2
b) NaOH
c) CaCO3
d) HCN
e) H2SO3
f) Al2(SO4)3
g) Fe3(PO3)2
h) NaOH
i) CaCO3
j) HCN
k) H2SO3
l) Al2(SO4)3​

Answer 1

Resposta:

a) Fe3(PO3)2 = 326,0g

b) NaOH = 40,0g

c) CaCO3 = 100,0g

d) HCN = 27,0g

e) H2SO3 = 82,0g

f) Al2(SO4)3 = 342,0g

g) Fe3(PO3)2 = 326,0g

h) NaOH = 40,0g

i) CaCO3 =100,0g

j) HCN= 27,0g

k) H2SO3 = 82,0g

l) Al2(SO4)3= 342,0g