A doctor orders 120. mL of 4 % (m/v) ibuprofen. If you have 8.0 % (m/v) ibuprofen on hand, how many milliliters do you need? Express the volume to two significant figures and include the appropriate units.
Added by Kevin A.
Step 1
The 4% (m/v) means that there are 4 grams of ibuprofen in every 100 mL of solution. Similarly, the 8% (m/v) means that there are 8 grams of ibuprofen in every 100 mL of solution. Show more…
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