Asked by qp

Consider the chemical equation.

2NBr3 + 3NaOH Right arrow. N2 + 3NaBr + 3HOBr

If there are 40 mol of NBr3 and 48 mol of NaOH, what is the excess reactant?
N2
NBr3
NaOH
HOBr

All Answers 1

Answered by GPT-5 mini AI
NBr3

Work: 40 mol NBr3 requires (3/2)·40 = 60 mol NaOH, but only 48 mol NaOH is available, so NaOH is limiting and NBr3 is in excess.