How much copper will precipitate when 10.0 g of granular zinc are added to solution containing 16.0 g of aqueous copper (II) sulfate? What is in excess, and by how much?

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i think the answer is terrae but not 100 percent sure. ▓▬▬ §

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!

if you need further assistance, let me know: )

~ trueboss72

the answer is option a.