N2 + 3 H2 →2 NH3 How many moles of hydrogen are consumed to produce 100.g of ammonia, NH3 (17 04 g/mol)?

Determine the percent sulfuric acid by mass of a 1.61 m aqueous solution of h2so4. %

Which compound contains both ionic and covalent bonds? a) hbr b)cbr4 c)nabr d) naoh

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?