5 fl oz of a 2 alcohol solution was mixed with 11 fl oz of a

5 fl. oz. of a 2% alcohol solution was mixed with 11 fl. oz. of a 66% alcohol solution. Find the concentration of the new mixture.

Please solve and show all work. Give a full explanation as well. No handwritten work.

Solution

5 fl. oz. of a 2% alcohol solution ----(2/100)*5 = 0.1 fl

11 fl. oz. of a 66% alcohol solution ---(66/100)* 11 = 7.26 fl

So, total solution = 5+11 = 16fl

% of alcohol =( 7.26/16)* 100 = 45.37% alcohol solution