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6.2g of phosphorus was reacted with excess oxygen to form phosphorus( V) oxide. Determine the mass of the oxide formed. (0 = 16.0; P 31.0)
asked
Jun 22, 2021
in
Chemistry Form 3
by
anony mous
chemical equations
the mole formulae
molar mass
relative formula mass
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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
asked
Jun 21, 2021
in
Chemistry Form 3
by
anony mous
the mole
molar mass
properties of carbon monoxide
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