PDF chapter test TRY NOW
Answer the following question:
What is the mass of:
(a). 0.2 mole of oxygen atoms?
Molar mass of oxygen atoms = .
Mass of oxygen atoms = 16 x 0.2 = .
(b). 0.5 mole of water molecules?
Molar mass of water molecules = 2 x 1 + 16 = .
Mass of \(H_2O\) = 18 x 0.5 = .
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