LAQ : 51 grams of ammonia is equivalent to how many gram moles of ammonia? How many molecules of ammonia are there? Open Answer »
SAQ : At STP, n number of N2 molecules occupies a volume of V litre. What volume n/2 number of CO2 molecules will occupy at STP? Open Answer »
SAQ : What is Avogadro’s number? How to determine the mass of one oxygen atom using the Avogadro number? Open Answer »
SAQ : At STP 0.44 g of a gas has a volume of 224 cm3. What is the molecular mass of the gas? Open Answer »
SAQ : SO3 is prepared by oxidizing SO2 with oxygen. How many grams of SO2 will be required to produce 40 g of SO3 ? Open Answer »