SOLUTION: a pharmacist has 100 ounces of a solution that is 3 1/2% iodine and 96 1/2% alcohol. how much alcohol should the pharmacist add to get a 1 1/2% iodine solution?

Question 700831: a pharmacist has 100 ounces of a solution that is 3 1/2% iodine and 96 1/2% alcohol. how much alcohol should the pharmacist add to get a 1 1/2% iodine solution?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
The key is the amount of iodine does not change,
only the alcohol.
ounces of iodine in 3.5% solution
Let = ounces of alcohol to be added

133.333 ounces of alcohol must be added
check:

OK
RELATED QUESTIONS
Hello guys, I need help here :( I'm confused by the wording used for this problem: "A... (answered by macston)

A solution of iodine and alcohol and alcohol contains 3 ounces of iodine and 21 ounces of (answered by ankor@dixie-net.com)

Hii can you please provide an easy solution for this as im very weak when it comes to... (answered by josgarithmetic)

A pharmacist is making an antiseptic of iodine and alcohol. The iodine/alcohol mixture he (answered by ptaylor)

A chemist has 40 ounces of a solution of iodine and alcohol that is 15% iodine. How much... (answered by lwsshak3)

A chemist has 40 ounces of a solution of iodine and alcohol, which is 15% iodine. How... (answered by mananth)

60ml mixture of alcohol and iodine is 2% iodine. How much alcohol must be evaporated away (answered by robertb)

A 10 OUNCES SOLUTION OF ALCOHOL AND IODINE IS 3% IODINE.HOW MUST ALCOHOL MUST BE ADDED TO (answered by mananth)

Lara, a pharmacist, has 60 mL of an 8% alcohol solution. How Much water should be... (answered by mananth)