Question

1.2 gram of copper powder on heating gave 1.5 gram of copper oxide. In another

experiment copper oxide contained 80% Cu. Show that these results illustrate the law

of constant composition. please answer fast​

Answer 1

Answer:

oxygen = 20%of copper oxidewe can also write 20% of 1220%of12=20/100×12=2.4hence composition of reactant s and product is same