Mathematics

Taylor Thomas

20 October, 22:56

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% solution

C) 14 mL of the 5% and 14 mL of the 65% solution

D) 28 mL of the 5% solution and 28 mL of the 65% solution