If 1.27 g Cu is obtained by reduction of one sample of Cu_(2)O then the amount of oxygen in sample is .......... g.

If 1.27 g Cu is obtained by reduction of one sample of Cu_(2)O then th

1.	If 1.27 g Cu is obtained by reduction of one sample of Cu_(2)O then the amount of oxygen in sample is .......... g.
Answer» 16 8 1.6 0.16 Solution :MASS of Cu in SAMPLE of `Cu_(2)O=1.27g` Mass of O in sample `=16 g` If `Cu 127 g = O` is 16 g `:.` If Cu `1.27g=(?)` `:.(16xx1.27)/(127) = 0.16g` oxygen