What is the volume of 0.45 mol O2 at STP

Which formula can be used to calculate the molar mass of ammonia (nh3)? molar mass of n + molar mass of h 3 × molar mass of n + molar mass of h molar mass of n + 3 × molar mass of h 3 × molar mass of n + 3 × molar mass of h

Arecipe calls for 1.2 cups of oil. how many liters of oil is this?

Astudent reacts 13 moles of iron with 21 moles of oxygen according to the following equation: