SOLUTION: Hello, I have 8oz of liquid and need to add 0.2% of powder. How can I determine that in grams and ml? Thank you kindly.

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Question 883641: Hello,
I have 8oz of liquid and need to add 0.2% of powder. How can I determine that in grams and ml?
Thank you kindly.
Answer by josgarithmetic(39630) About Me  (Show Source):
You can put this solution on YOUR website!
ASSUMPTION: You meant 8 fluid ounces, a measure of volume.

You (potentially) need to know the density of your liquid.
1 fl. oz. = 28.413 ml. (approximation).

You may want to view your percent concentration as % mass per volume, typically stated as % w/v. This way, and for such a very dilute powder concentration, you do not need density.

8%28flOz%29%2A28.413%28ml%2FflOz%29=VolumeOfLiquidInMILILITERS

Amount of your powder to add, g grams of powder to add:
highlight%28g%2F%288%2A28.413%29=0.2%2F100%29;
Solve for g.