Your teacher gives you a concentrated solution of 12M nitric acid. Since that

concentration is too high for your purposes, you dilute it to 128mL of 2.5M. How

much of the initial nitric acid do you need to make the final solution for your lab?

Question

12 November, 10:53

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Answers (1)

Know the Answer?

Hoffman · Answer 1

26.7 mL

Explanation:

M1*V1 = M2*V2

M1 = 12M

V1=?

M2 = 2.5M

V2=128 mL

12M*V1 = 2.5M*128 mL

V1 = 2.5*128/12 mL≈ 26.7 mL

Your teacher gives you a concentrated solution of 12M nitric acid. Since thatconcentration is too high for your purposes, you dilute it to 128mL of 2.5M. Howmuch of the initial nitric acid do you need to make the final solution for your lab?