Two oxides of copper contain respectively 88.8% and 79.91 % of copper. Calculate equivalent masses of copper in each of the oxide.

Two oxides of copper contain respectively 88.8% and 79.91 % of copper.

1.	Two oxides of copper contain respectively 88.8% and 79.91 % of copper. Calculate equivalent masses of copper in each of the oxide.
Answer» ANSWER :63.4, 31.8