NAME:~L
PERIOD:
HOMEWORK 9.1
a. Review your notes.
b. Answer the following:
1. When copper is added to nitric acid, copper (II) nitrate, nitrogen dioxide and water are produced.
Determine the moles of copper (II) nitrate produced when 2.50 moles of nitric acid reacts.
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2. When an antacid tablet dissolves in water, the fizz is due to a reaction between sodium hydrogen carbonate and
citric acid:
Determine the moles of carbon dioxide produced when 0,0119 moles ofNaHC03
(), 0 1/
q
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II el)3
(VI
3mc)
3. One ofthe main components of pearls is calcium carbonate.
dissolve:
CaC03 (s) + 2HCl (aq)
-+
dissolves.
N~/4CO_3
If pearls are placed in an acidic solution, they
CaCh (aq) + H20 (I) + C02 (g)
Determine the moles of CaC03 that can be dissolved in 0.250 moles of HC!.
II).\~ C~C()3
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