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