By reduction of 1.27 gm Cu is obtained so what is the weight of oxygen

1.	By reduction of 1.27 gm Cu is obtained so what is the weight of oxygen.
Answer» 16 GM 8 gm 1.6 gm 0.16 gm Solution :In `Cu_(2)O` weight of `Cu=127 gm = 1.27gm` MASS of `O=15 gm = (?)` `=(16 xx 1.27)/(127) =0.16 gm`

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