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Carbon(II) oxide was passed over 4.1g of heated oxide of copper in a combustion tube until there was no further change. The mass of the final substance was found to be 3.29g
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Jun 21, 2021
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Chemistry Form 3
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anony mous
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Jun 21, 2021
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anony mous
Carbon(II) oxide was passed over 4.1g of heated oxide of copper in a combustion tube until there was no further change. The mass of the final substance was found to be 3.29g
Complete the Table and determine the empirical formula of the oxide.
(Cu=64.0; O=16.0)
Element
Cu
O
Mass (g)
Number of Moles
Empirical formula
State the property of carbon(II) oxide that was demonstrated in the experiment.
the mole
molar mass
properties of carbon monoxide
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Jun 21, 2021
by
anony mous
edited
Jun 21, 2021
by
anony mous
Table
Element
Cu
O
Mass (g)
3.29
0.81
Number of Moles
3.29
64
=0.051
0.81
16
=0.051
Mole ratio
1
1
Empirical formula CuO
Reducing agent/Reducing property.
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