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OpenStudy (anonymous):
Show an equation and a solution for the problem. Arnold needs a 25% solution of nitric acid. He has 20 ml of a 30% solution. How many ml of a 15% solution should he add to obtain the required 25% solution? A. 20 ml B. 15 ml C. 25 ml D. 10 ml
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OpenStudy (mertsj):
Let x = amount of 15% solution to add .30(20)+.15x=.25(20+x)
OpenStudy (anonymous):
ty Mertsj
OpenStudy (mertsj):
yw
OpenStudy (anonymous):
I have more :D
OpenStudy (mertsj):
Like what?
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OpenStudy (anonymous):
I'll ask another question so you can get a medal
OpenStudy (mertsj):
ok
OpenStudy (anonymous):
What is the answer out of those choices
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