formal wears dressed in graduation occasion

Using this formula:
Amount to be given = (Desired dosage * Volume on hand) / Concentration.
...
Question:
Amoxicillin having 500mg concentration contains 100mL (dosage) per 100mL (volume) on a vial that should be given to a patient. Find the amount of Formalin that should be given to a patient. formal wears dressed in graduation occasion
A. 0mL
B. 2mL
C. 20mL
D. 200mL
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