Answers

The Brainliest Answer!
2014-05-08T18:09:02+05:30
So,equation is
2kno3 gives rise to 2kno2 + o2

molar mass of 2kno3 = 202.22
molar mass of o2 = 32

202.22 = 32
5.05    =  ?

so,weight of o2 = 0.799
simply solve for kno2
1 5 1