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TGS Moles Mass and Balancing Equations JBI
By Julia Birch
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Last updated over 5 years ago
4 questions
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1
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Question 1
1.
When copper metal reacts with oxygen, black copper oxide, CuO, is formed.
6.35g
of copper reacted with
1.60g
of oxygen gas O2, to form
7.95g
of copper oxide
a). Calculate the number of moles of each reactant and product
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Question 2
2.
Show the balance equation for the reaction above
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Question 3
3.
Extension: If I react
44.6g
of lead oxide (PbO) with
1.2g
of carbon, I can obtain
41.4g
of lead and
?g
of carbon dioxide.
how much carbon dioxide is produced?
A
r
Pb = 207 A
r
O = 16 A
r
C = 12
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Question 4
4.
If I react
44.6g
of lead oxide (PbO) with
1.2g
of carbon, I can obtain
41.4g
of lead and
?g
of carbon dioxide.
Work out how much carbon dioxide is produced.
Write the balanced symbol equation for this reaction.
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