Answer:
0.263 moles
Step-by-step explanation:
molar mass of O = 15.999molar mass of O2 = 15.999 X 2 = 31.9981 mole of O2 weights 31.998 grams
8.4 g O2 * [ 1 mole O2/31.998g ] = 0.263 moles
4.4m questions
5.7m answers