what volume of O2 at STP is needed to react with 4.52 g of K
write the balanced equation.
2K+ O2 >>2 K2O
figure the moles of K in 4.52g.
you will need half that moles in O2.
2K+ O2 >>2 K2O
figure the moles of K in 4.52g.
you will need half that moles in O2.