Posted by **dwayne** on Monday, September 14, 2009 at 9:12pm.

A chemist has 400 milliliters (mL) of solution that is 21% acid. How many milliliters of acid are in the solution?

- math115 -
**Ms. Sue**, Monday, September 14, 2009 at 9:18pm
0.21 * 400 = ?

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