Question

How many moles of oxygen atoms are present in one mole of the following compounds:

a) Al₂O₃

b) CO₂

c) Cl₂O₇

d) H₂SO₄

e) Al₂(SO₄)₃

Answer 1

Explanation:

a) 3 mole

b) 2 mole

c) 7 mole

d) 4 mole

e) 12 mole

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Answer 2

Answer:

first you can calculate the empirical formula and than you can find out the moles of oxygen.