Question

7. In copper carbonate the
proportion of copper, oxygen
and carbon is
O 5:4:1
O 5:4:2
O 3:4:1
O 3:4:2
Required


>>​

Answer 1

Answer:

5:4:2

Explanation:

it is the best solution

Answer 2

Answer:

5:4:2

Explanation:

is the answer mate