Question

Masa oxigen=?
Masa apa H2O2=800g
C=30%

Answer 1

H2O2 = H2O + 1/2 O2
c = md*100/ms
md = 800*30/100 = 240 g H2O2
M H2O2 = 34 g/mol
M O2 = 32 g/mol
34 g H2O2........1/2 * 32 g O2
240 g H2O2................x
x = 112,94 g O2