In this case, we want to find the volume needed for 80 milligrams of Risperidone, we are given the conversion factor 40mg/10mL, with this factor we can easily convert mg to mL, like this:
mL required = 80 mg × 10 mL/40mg = 20 mL
Then, the volume required is 20 mL
We can convert mL to oz by means of the conversion factor 1 oz/29.57 mL like this:
oz required = 20 mL × 1 oz/29.57 mL = 0.68 oz
Then, the volume required of Risperidone is 0.68 oz
