Q:

A science teacher has a supply of 5% hydrochloric acid and a supply of 65% hydrocloric acid (HCI). How much of each solution should the teacher mix together to get 42 mL of 45% HCI for an experiment?A) The teacher will need 14 mL of the 5% solution and 28 mL of the 65% solution.B) 28 mL of 5% solution and 14 mL of the 65% solutionC) 14 mL of the 5% and 14 mL of the 65% solutionD) 28 mL of the 5% solution and 28 mL of the 65% solution

Accepted Solution

A:
the answer would be d