La reacción entre 1 mol de Ay 2 moles de B da como único producto un mol del gas ideal X.
Determine cuantos mL de A 1M deben reaccionar
con exactamente 5L de B 1M

urgente

what is the question here. i think you messed up.

i think its 100.

hope this !

the answer is d.) potassium

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