Can anyone help me to solve this answerplease – InterviewSolution

1.	Can anyone help me to solve this answerplease
Answer» -step EXPLANATION:In an experiment, 3.672 g of copper oxide gave, on reduction, 2.938 g of copper. What is MASS of OXYGEN formed? What is the ratio of MASSES of copper and oxygen? (A) 0.634 g. 4:1 (B) 0.534 g 1:4 (C) 0.734 g 4:1 (D) 0.934 g 1:4

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