Posted by **Anonymous** on Sunday, February 9, 2014 at 8:41pm.

How much water must be added to 1 liter of a 5% saline to get a 2% saline solution

- Math Mixture Word Problem -
**Steve**, Sunday, February 9, 2014 at 9:18pm
the amount of saline must be the same before and after mixing:

.05(1) + 0(x) = .02(1+x)

.02x = .03

x = 1.5

check:

5% of 1L = .05L saline

2% of 2.5L = .05L saline

or, you can say that since you want 2/5 the concentration, you need 5/2 the original volume, or 2.5L

## Answer this Question

## Related Questions

- Math - A saline solution is 20% salt. How many gallons of water must be added to...
- math - a pharmacist mixed some 10% saline solution with some 15% saline solution...
- MATH - A pharmacist mixed some 10%-saline solution with some 15%-saline solution...
- Algebra - A saline solution was made by mixing 11 ml of a 36% saline solution ...
- math - you have an unlimited supply of 5% saline solution and 8% saline solution...
- math - A pharmacist mixes 14 ounces of 68% saline solution with 55% saline ...
- chemistry - Isotonic saline is often given to patients intravenously to ...
- chemistry - Isotonic saline and is often given to patients intravenously to ...
- algebra - Nurse erika needs to prepare 12 liters of a 10% saline solution. The ...
- algebra - Nurse erika needs to prepare 12 liters of a 10% saline solution. The ...