A chemist mixes 75 milliliters of a solution that is 22% acid with 150 milliliters of a solution that is 88% acid.

Question

How many milliliters of acid are in the resulting mixture?

What percentage of the resulting mixture is acid?

Answer 1

22%*75=0.22*75=16.5 ml of acid

88%*150=0.88*150=132 ml of acid

132+16.5=148.5 ml of acid in the mixture

75+150=225 ml altogether of solution

148.5 ml of the 225 ml solution is acid

148.5/225=1485/2250=297/450=33/50=66/100=66% is acid