VanillaAngelic
  • VanillaAngelic
A tank holds 50 gallons of a mixture of acid and water that is 30% acid. If 20 gallons of acid are added to the mixture, what is the percent of acid in the new mixture? Explain step by step please~
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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mathmate
  • mathmate
Hint: use \(C_1V_1 = C_2V_2+C_3V_3\) C2=0.30 V2=50 gal C3=1.0 V3=20 V1=50+20=70 Solve for C1.
VanillaAngelic
  • VanillaAngelic
I still don't understand. Can you explain it in words please?
VanillaAngelic
  • VanillaAngelic
@mathmate

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mathmate
  • mathmate
actually, the equation tells us how much pure acid there is before and after mixing. Once you have the volume of pure acid, we would divide by the volume 70 gal. to get the concentration.
mathmate
  • mathmate
btw, CV gives the volume of the pure substance.
amistre64
  • amistre64
parts per whole: 50(.30) + 20 is the part that is acid 50 + 20 is the whole lot of it
VanillaAngelic
  • VanillaAngelic
Thank you!! @amistre64

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