copper react with oxygen to form two oxide A and B.on analysis, 1.535 gram of A yielded 1.161 gram of copper, while 1.452 gram of B yielded 1.161 gram of copper. 1,determine the chemical formulae of A and B
2, calculate the mass of copper which can react with 0.500 gram of oxygen to give A and B
3, which law of chemical combination is illustrated by the result in above [O=16; Cu=63.5]?
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