Question

The reaction of 5.7 grams of fluorine with
excess chlorine produced 7.6 grams of ClF3.
What percent yield of ClF3 was obtained?
Answer in units of %.

Answer 1

First balance the equation

\[3f_{2}~+~Cl_{2} \rightarrow 2ClF_{3}\]

Answer 2

The hint here is excess. We've got an excess of chlorine so we must use the limiting reagent the substance that runs out first to figure out how much product we've got.

Answer 3

Find the molar masses of

F2

Cl2

and

ClF3

Answer 4

the mad chemist is 100% correct