Wednesday

November 26, 2014

November 26, 2014

Posted by **cleondra** on Friday, August 3, 2012 at 1:08pm.

- pharmacy calculations -
**MathMate**, Friday, August 3, 2012 at 3:42pm500 ml of a 1:5 solution contains 500*(1/5)=100 ml. of the concentrate.

So if x is the volume of 1:4, then 500-x is the volume of 1:10.

Hence

x(1/4)+(500-x)(1/10)=500*(1/5)

Solve for x to get x=333.33 ml.

- pharmacy calculations -
**lisa**, Friday, August 31, 2012 at 6:41pma chemist needs 130ml of a 75% solution but has only 67% and 80% solutions available. find how many milliliters of each that should be mixed to get the desired solution.

**Answer this Question**

**Related Questions**

pharmacy tech. - Prepare 500ml of a 1:5 solution using a 1:10 solution and a 1:4...

Fractions - A technician has prepared three solutions from a 600 mL stock ...

Math - urgent - 2. A technician has prepared three solutions from a 600 mL stock...

Math - A pharmacist is to prepare a 50 fluid ounce solution that contains 54% ...

Chemistry!! - A chemist wants to prepare a stock solution of H2SO4 so that a ...

chem - how do you prepare a solution using the proper lab equipment(both from ...

chem - You have a large amount of 7.50M stock solution. You need 1.80L of 3.00M ...

Chemistry (reposts#2) - A solution is prepared by dissolving 5.00 g of ferric ...

chemistry - Hey, I am having a real hard time getting the answers to the ...

Chemistry - I can't figure out how to set up this problem...You have a large ...