Alligation Question

by eva
(columbus, ohio)

How much 1% boric acid solution and 5% boric acid solution are needed to make 30ml 3% boric acid solution? Reply (Keith) : This problem would be solved the quickest using Alligation math.

Once you solve it, please leave a comment below with the answer.

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Alligation Question

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Sep 20, 2010
Boric acid
by: Cally

According to my test key your answer is 5% 5ml. and 1% 15 ml

Aug 27, 2010
by: Keith

You should get Half & Half. Consider that the number 3 is 2 more than 1, and 2 less than five. That means that you'll be using 2 parts of each. As a fraction, you could reduce that down to one part of each or Half & Half.

Aug 26, 2010
Alligation question
by: Anonymous

I get 15 ml of 5% and 15 ml of 1%

Aug 25, 2010
by: Anonymous

ok we have 18ml of 5% of boric acid and 12ml of 1% of boric acid

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