Compounding question from the facebook page.
Question: To make space for new stock, you've been asked to combine 4 bottles of cleaning solution "Z", and then label that bottle with the volume and % concentration. The contents are:
-Bottle 1= 200mL of 75% -Bottle 2= 300mL of 90% -Bottle 3= 100mL of 80% -Bottle 4= 400mL of 50%
-What will you type on the new label?
A. Solution Z, 1L of 78%
B. Solution Z, 1L of 70%
C. Solution Z, 1L of 62%
D. None of the above
How to do this
bottle #1 | + | bottle #2 | + | bottle #3 | + | bottle #4 | = | Total | | | | | | | | | | | | 200 (.75) | + | 300 (.90) | + | 100 (.80) | + | 400 (.50) | = | 1000 (X) | | | | | | | | | | | | 150 | + | 270 | + | 80 | + | 200 | = | 1000X | | | | | | | | | | | | | | | | | | 700 | = | 1000X | | | | | | | |
| |
| |
|