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Introduction to Water

Calculate the...

Question

Calculate the mass of 2.5 grams of oxygen

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Solution

Dear student,

1 g atom of oxygen = 16 g (which is equal to 1 mole)
similarly 1 g molecule of oxygen = 32 g (O₂) (which is also equal to 1 mole of O₂ molecule)
hence 2.5 g atom of oxygen = 2.5 x 16 = 40g.

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