Tham KY's answer to Nornisha Mutalip's Secondary 4 A Maths question.
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Date Posted:
6 years ago
tqvm
can I know why mole ratio 16 multiply with 2??please explain
Because oxygen gas exists as biatomic molecule, O2. So 1 mole of oxygen gas has 2 atoms of oxygen, hence its molecular mass is 2x16.
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