CH40S
Acid Base Equilibria
Kw Problems
1. The [H3O ] in a nitric acid solution is 0.0020M. Write the equation for the
dissociation o f nitric acid. What is the [ O f f ] ?
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2.
The [OH jin a sodium hydroxide solution is O.OSOM. Write the equation for the
dissociation o f sodium hydroxide. What is the [H3O ]?
0.25 mol o f hydrogen chlorine gas is dissolved i n 2 .0L o f solution. Write the
equation for the dissociation o f the gas. Calculate [ H 3 O ] and [ O H ] .
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Acid Base Equilibria
CH40S
4.
10,Og o f lithium hydroxide is dissolved i n 750ml o f solution. Write the
dissociation equation and calculate [ H i O ] and [OH ] .
5.
lO.Og calcium hydroxide is dissolved i n 400ml o f solution. Write the equation for
the dissociation and calculate [H3O ] and [OH"|.
7-
I.
6.
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I f the [H iO * J o f a barium hydroxide solution is 1.0 x 1()" M . Write the
dissociation equation for barium hydroxide. Calculate the [ O H ] . How many
moles o f barium hydroxide must have been dissolved per liter?
7.
Calculate the [H3O ] found in m i l k o f magnesia that has an [OH"] = 1.43 x 10"
mol/L.
1
f 7 , <= lUp
JL^fl
j
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