Lindsay G.

asked • 09/15/15

30 mL of a 40% acid solution in a test tube. How much of the solution should be poured off and replaced with pure acid so that the new mixture is 70% acid?

its trig/precalc

1 Expert Answer

By:

Alexander B. answered • 09/15/15

PhD in Engineering with 15+ yrs of Math Teaching Experience

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