Question

what volume of O2 at STP is required to react with 1 gram of CA to form CAO​

Answer 1

Answer:

0.28

Explanation:

2Ca+O2=2CaO

now 80g of Ca reacts with 22.4lt of O2 to form Cao

in the same way..

1g of Ca reacts with 22.4/80lt of O2=0.28lt to form CaO