Another physics question?

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Another physics question?

Mixing a 10% acid solution with a 15% acid solution, how many milliliters of the 10% solution would be needed to produce a 1500 milliliter solution of 12% acid?

2007-02-28 01:22:45 · 3 answers · asked by RegularGuy 2 in Science & Mathematics ➔ Physics

3 answers

Let x= the volume of 10% solution
1500-x=volume of 15% solution

10%*x+15%*(1500-x)=12%*1500
10x+22500-15x=18000
10x-15x=18000-22500
-5x=-4500
x=4500/5
=900ml

2007-02-28 02:34:44 · answer #1 · answered by tul b 3 · 0⤊ 0⤋

10 a+16b+x 10 =1500 12 ,,a=b=100
1000+1600+x 10=18000
2600+x 10 =18000
x 10 =15400
x=1540

2007-02-28 10:22:31 · answer #2 · answered by Tuncay U 6 · 0⤊ 0⤋

1000 millilitres.

2007-02-28 09:40:04 · answer #3 · answered by Anonymous · 0⤊ 0⤋