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OpenStudy (anonymous):
a chemist has 10 ml of a 30% acid solution. How many milliters of pure acid must be added in order to obtain a 50% acid solution
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OpenStudy (primeralph):
(10*0.3) + x = 0.5(10+x) Solve for x.
OpenStudy (anonymous):
why the +x on the left side though
OpenStudy (primeralph):
Should be 1*x or just x because you're adding some volume x with a concentration of 1 to the initial 10mL with a 0.3 concentration.
OpenStudy (anonymous):
Oh okay thank you!!
OpenStudy (primeralph):
You're welcome.
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OpenStudy (primeralph):
Next time, post the question in the Chemistry section.
OpenStudy (anonymous):
but this is algebra homework lol
OpenStudy (anonymous):
the question was just a chemistry topic
OpenStudy (primeralph):
Okay.
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