Answer to Question #246793 in General Chemistry for Paupa

General Chemistry

Question #246793

Determine all possible ratios for the following balanced chemical equations.

a) 4Al(s) + 3O2(g)→2Al2O3(s)

b) 3Fe(s) + 4H2O(l) → Fe3O4(s) + 4H2(g)

Expert's answer

a) Al:O= 4:3

Al: Al2O3= 2:1

O: Al2O3= 3:2

b)Fe: H2O= 3:4

Fe:Fe3O4= 3:1

Fe: H2 = 3: 4

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