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Copper reacts with oxygen to form two oxides
es x and y on analysis 1.535 g of x yielded 1.365 g of copper and 1.450 g of y yielded 1.160 g of copper
(i) determine the chemical formula of x and y (2) calculate the mass copper which can react with 0.5 g of oxygen to yield x and y
(ii) which of the laws of chemical combination is illustrated by the result above
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during lightning flashes nitrogen combines with oxygen in the atmosphere to form nitrogen monoxide no which then reacts
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