KOH + HBr —> KBr + H20 A student sets up a titration apparatus with 25 mL of potassium hydroxide in the flask. In three
to five sentences, explain how the student can use a 0.1 M solution of hydrobromic acid to determine the concentration of potassium hydroxide in the reaction.

This is an acid-base reaction (neutralization): KOH is a base, HBr is an acid. ; Odorless, white or slightly yellow lumps, rods, flakes, sticks, or pellets. [Note: May be used as an aqueous solution.]

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Search by reactants (KOH, HBr)

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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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