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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? (1 point)
The teacher will need 14 mL of the 5% solution and 28 mL of the 65% solution.
The teacher will need 28 mL of the 5% solution and 14 mL of the 65% solution.
The teacher will need 14 mL of the 5% solution and 14 mL of the 65% solution.
The teacher will need 28 mL of the 5% solution and 28 mL of the 65% solution.
 one year ago
 one year ago
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? (1 point) The teacher will need 14 mL of the 5% solution and 28 mL of the 65% solution. The teacher will need 28 mL of the 5% solution and 14 mL of the 65% solution. The teacher will need 14 mL of the 5% solution and 14 mL of the 65% solution. The teacher will need 28 mL of the 5% solution and 28 mL of the 65% solution.
 one year ago
 one year ago

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Sarah_Miller720Best ResponseYou've already chosen the best response.1
so would my answer be The teacher will need 14 mL of the 5% solution and 28 mL of the 65% solution?
 one year ago
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