During titration of 10ml Ba(OH)2 50ml of 0,4n HNO2 solution were used. What amount of Ba(OH)2 (in grams) is present in 100ml of Ba(OH)2 solution?

the reaction mixture contains some ammonia, plus a lot of unreacted nitrogen and hydrogen. the mixture is cooled and compressed, causing the ammonia gas to condense into a liquid. the liquefied ammonia is separated and removed. the unreacted nitrogen and hydrogen are then recycled back into the reactor .

b. accuracy of the data matters alot more than its number of digits, organization or amount of detail. quantitative observation is more accepted than the qualitative observation.