SOLUTION: How many pounds of chemical need to be added to 250 lbs of water to make a concentration of 21%
Algebra.Com
Question 1056698: How many pounds of chemical need to be added to 250 lbs of water to make a concentration of 21%
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
How much chemical? x
How much mixture? x+250
Percent Concentration Wanted? 21%, or as decimal, 0.21.
RELATED QUESTIONS
how many fluid ounces of water should be added to 4 ml of a 1:4 concentration to make a... (answered by josgarithmetic)
a liter of chemical x is 95% pure, how many liters of water should be added to make a 50% (answered by robertb)
how many milliliters of water must be added to 250 ml of 25% salt solution to reduce its... (answered by stanbon)
how many milliliters of water must be added to 250 ml of 25% salt solution to reduce the... (answered by josmiceli)
if a man mixes 12 lbs. of peanuts thats $1.25 a lbs. with a pound of cashews at $1.80 a... (answered by jorel1380)
How many pounds of water must be added to 48 pounds of alcohol to make a solution that is (answered by math33)
How many pounds of water must be added to 48 pounds of alcohol to make a solution that is (answered by ikleyn)
Using a 43% crystal grade of NaF (Sodium Fluoride) in a feeder the operator must apply... (answered by solver91311)
A flask contains 120 ml of saline solution whose salt concentration is 8%. How many ml of (answered by josgarithmetic)