Posted by Jessi on Tuesday, April 14, 2009 at 8:14pm.
How many milliliters of a 2000.0 mg/dl stock solution are needed to prepare 100.0 ml of a 150.0 mg/dl working solution?

Chemistry  GK, Wednesday, April 15, 2009 at 2:21pm
Use the "dilution formula":
V1C1 = V2C2
V1, C1 = initial volume and concentration
V2, C2 = final volume and concentration
Your unknown is V1. Substitute the other which are given and solve for V1.

Chemistry  GK, Wednesday, April 15, 2009 at 2:24pm
Use the "dilution formula":
V1C1 = V2C2
V1, C1 = initial volume and concentration
V2, C2 = final volume and concentration
Your unknown is V1. Substitute the other which are given and solve for V1.
Answer This Question
Related Questions
 Chemistry  How many milliliters of a 2000.0 mg/dl stock solution are needed to ...
 chemistry  We want to prepare 150 mL of 1.0 M HA solution by diluting the stock...
 Pharm Tech  how many milliliters of a 5% stock solution are needed to prepare ...
 Chemistry  In the laboratory you will be provided with a 1.0 x 105 M primary ...
 New Buffalo High  how many milliliters of a stock solution of 2.00 M KNO3 would...
 Chemistry  If you dilute 14.0mL of the stock solution to a final volume of 0....
 Chemistry!!  A chemist wants to prepare a stock solution of H2SO4 so that a ...
 Chemistry  1. What is the molar of a sodium bicarbonate solution prepared from ...
 chemistry  how do i do this \? a 4.0mg/dl standard solution is needed. To ...
 chemistry  How many milliliters of a stock solution of 5.40 M HNO_3 would you ...
More Related Questions