Question

How many moles will be there in 112 3 of oxygen at stp conditions​

Answer 1

Answer: 5 moles of oxygen

I will assume it is 112 decimeter cube for this question and 1 decimeter cube is equal to one liter

At STP the volume of one mole of Oxygen is 22.4 $dm^{3}$

                                      ? moles of Oxygen is 112 $dm^{3}$

112/22.4 = 5moles of Oxygen