The answer is in the picture below
So, 3.55 g of copper could be made from 4 g of copper oxide.
The formula for copper oxide to convert to copper is a chemical equation Cupric oxide, or copper (II) oxide, is an inorganic compound with the chemical formula CuO.
Answer:
800,000
Step-by-step explanation:
the number that we are rounding is 90,000 which is gonna make the seven go up to 8