Chapter 14- Analysis for acids and bases Flashcards

1
Q

what are primary standards

A

substances that are so pure that the amount of substance, in moles, can be calculated accurately from their mass

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2
Q

how are standard solutions prepared

A

by dissolving an accurately measured mass of a primary standard in an accurately measured volume of water

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3
Q

what do we use volume-volume stoichiometry for

A

to calculate the concentration of an unknown substance

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4
Q

what is titration

A

is when we react a chemical of unknown concentration with a chemical with a concentration that we know

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5
Q

what is the limiting reactant

A

the reactant that is used up in the reaction

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6
Q

what is the excess reactant

A

the reactant that isn’t used up in the reaction (there is some left over)

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7
Q

what is the equivalence point

A

when all the acid has been neutralised by the base (or vise versa)

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