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Question #8fcbb

1 Answer

Aditya Banerjee.

Nov 7, 2016

0.00278 moles of oxygen atoms are present in 0.05g of water.

Explanation:

Let us consider an equation:
#2H_2O->2H_2+O_2.#

So, 2 moles of water molecule consists of 1 mole of oxygen molecule.
In other words, 36 grams of water consists 2 moles of oxygen atoms .

#:.#0.05 grams of water consists of #=2/36xx0.05# moles of oxygen atoms , i.e. 0.00278 moles of oxygen atoms.

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