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Using a vial with medication C and strength 400 mg/mL, you must prepare a 100 mL...

Using a vial with medication C and strength 400 mg/mL, you must prepare a 100 mL IV bag that is 0.5% strength. Do not Round. If necessary, convert to a fraction or mixed number.

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Answer #1

Answer:

Given medication strength (C1) = 400mg/mL

requires strength(C2) = 0.5%

0.5% drug strength means it conatains 0.5 gram in 100mL

convert gram/mL into mg/mL: (1gram = 1000mg)

0.5grm/100ml = 5mg/mL (C2)

prepare dose volume (v2)= 100mL

Formula : C1V1 = C2V2

400mg/mL V1 = 5mg/mL 100mL

400mg/mL   V1= 500mg

V1 = 500mg / 400mg/mL

= 5/4 mL

= 1.25 mL

Required volume = 1.25mL

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