Chemical formular, Chemistry

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copper reacts with oxygen to form two oxide X and Y .On analysis 1.535g of X yielded 1.365g of copper and 1.450g of Y yielded 1.160g of copper.
[I] determine the chemical formula of X and Y.
[ii] which of the laws of chemical combination is illustrated by the result above
Posted Date: 11/25/2014 6:00:28 PM | Location : Nigeria

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