P +
Cl2 →
PC13
Balance the chemical equation

How many moles of al3+ ions are in 1.25 moles of al2o3

Aroom with dimensions 7.00m×8.00m×2.50m is to be filled with pure oxygen at 22.0∘c and 1.00 atm. the molar mass of oxygen is 32.0 g/mol. how many moles noxygen of oxygen are required to fill the room? what is the mass moxygen of this oxygen?

Ahypothesis must be testable and falsifiable to be considered scientific a. trueb. false