A titration experiment is set up to use 0.347M bleach (NaOCl) to analyze CrO2-. If 50.0 mL of the CrO2-(aq) solution required 51.35 mL of bleach to react to completion, what would you calculation as the molarity of the CrO2- solution

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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