The number of moles of oxygen in 1 L of air containing 21% oxygen by volume in standard conditions is _______. (A) 0.0093 mol (B) 0.186 mol (C) 0.21 mol (D) 2.10 mol

The number of moles of oxygen in 1 L of air containing 21% oxygen by v

1.	The number of moles of oxygen in 1 L of air containing 21% oxygen by volume in standard conditions is _______. (A) 0.0093 mol (B) 0.186 mol (C) 0.21 mol (D) 2.10 mol
Answer» OPTION is A. PLEASE FOLLOW ME........