Given the following equation: 2h2o --> 2h2 +o2 what mass of oxygen would form from 2.30 moles of water? question options: 25.1 36.8 25.1 39.3

36.8 g of oxygen would form from 2.30 moles of water

Explanation:

According to given balanced equation, 2 moles of water forms 1 mole of oxygen

So moles of oxygen would form from 2.30 moles of water=

Molar mass of is 32 g/mol

So mass of would form=

hence 36.8 g of oxygen would form from 2.30 moles of water

answer:

the answer is 6 valence electrons.

explanation:

valence is the # of electrons on the outer most shell of an atom.

oxygen has 6.

although, the valency of oxygen is 2, because it only needs to make 2 covalent bonds, or gain 2 electrons, to achieve the stable octet configuration of a noble gas.

that's it!

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