SOLUTION: hi Have a medicine that comes as a solution: 3% Aethoxysklerol medicine in 2ml. Wish to have a concentration of 0.6% Aethoxysklerol. How much saline would I need to add to the 2

Algebra ->  Customizable Word Problem Solvers  -> Mixtures -> SOLUTION: hi Have a medicine that comes as a solution: 3% Aethoxysklerol medicine in 2ml. Wish to have a concentration of 0.6% Aethoxysklerol. How much saline would I need to add to the 2      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

Question 620608: hi
Have a medicine that comes as a solution: 3% Aethoxysklerol medicine in 2ml.
Wish to have a concentration of 0.6% Aethoxysklerol.
How much saline would I need to add to the 2ml of 3% to get 0.6% concentration ??
Many thanks
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Have a medicine that comes as a solution: 3% Aethoxysklerol medicine in 2ml.
Wish to have a concentration of 0.6% Aethoxysklerol.
How much saline would I need to add to the 2ml of 3% to get 0.6% concentration ??
---------
Equation:
saline + saline = saline
0.97*2 + x = 0.994(x+2)
---
Multiply thru by 1000
970*2 + 1000x = 994x + 994*2
----
6x = 24*2
x = 4*2 = 8 ml (Amt of saline to add)
======================================
Cheers,
Stan H.