Question

Ni(s) + 4CO(g) -> Ni(CO)4(g)
Consider a reaction which produces 12.4g of Ni(CO)4(g).
Q) find the number of grams Ni (s) and CO (g) which reacted.

Answer 1

Convert 12.4g of Ni(CO)4 to moles
Use mole ratios to find moles of Ni and 4CO
Convert the moles to grams for answer