# math

posted by .

320ml of active ingredient is added to 680ml of an alcohol base solution. what is the final strength (v/v)?

• math -

320/(680+320) = 32%

## Similar Questions

1. ### algebra

moonshine has 50 liters of a 70% alcohol solution.how many liters of pure alcohol must be added to obtain an 80% alcohol solution?
2. ### chemistry

an aspirin tablet contains 5.00X10^2 mg of active ingredient. how many grams of ap of active ingredient does it contain
3. ### Pharmacy Math

320ml of active ingredient is added to 680ml of an alcohol based solution. What is the final strength (v/v)?
4. ### Pharmacy Math

320ml of active ingredient is added to 680ml of an alcohol based solution. What is the final strength (v/v)?
5. ### pharmacy compding

how much active ingredient is needed to compound 18 lollipops if the formula is 5% active ingredient, 168g sugar,60ml Karo syrup (weighs 84g),60ml water. each lollipop should have 5% active ingredient
6. ### chemistry

275 ml of active ingredient is added to 725 ml of an alcohol based solution. What is the final strength (v/v)
7. ### Math

A pill weighs 70 mg. 7/9 of the pill is the active ingredient. How many milligrams are in the part of the pill that is not the active ingredient?
8. ### pharmacy tech

2. How do you determine the number of grams of an active ingredient in a solution based on the percent strength?
9. ### Math

Pharmacy has 325mL of a 40% solution. 120mL of sterile water is added to this solution to decrease the concentration. How many grams of active ingredient would be in the diluted solution?
10. ### Math

I keep getting 130gm for the answer!! Supposed to be 129.9 (I know it will round up, but rounded up is not the answer) I just need to know A pharmacy has 325 mL of a 40% solution in stock. 120mL of sterile water is added to the solution …

More Similar Questions