Question

a doctor's order is 0.125 g of ampicillin. the liquid suspension on hand contains 250 mg/5.0 ml. how many milliliters of the suspension are required?

Answer 1

"2.5 mL" of the suspension are required.

Liquid suspension:

According to the question,

• Ampicillin = 0.125 g

                         = $0.125\times 1000$

                         = $125 \ mg$

• Liquid suspension on hand = 250 mg/5.0 ml

Now,

125 mg present in (Suspension required):

= $(\frac{5.0}{250}\times 125 )$

= $2.5 \ mL$

Thus the above approach is correct.

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