What mass of ammonia (NH) would be produced from the reaction of 2.56 x 102¹ molecules of nitrogen (N₂) with excess hydrogen gas (H3)?

african americans demonstrated their newly found freedom by relocating often in search of relatives whom they had been separated from during slavery. others established schools to educate freed people and they built institutions such as churches and political organizations to advocate for their rights.

i just learnt this recently but i need to look through my notes again

it's c (engineer's do their work with mechanical stuff not on any living being)