Amount in IV Fluid Questions

Given a volume of IV fluid and a dosage expressed in percent, what is the mass of a particular dosage?

Formula:

Concentration % 100

x Volume (mL)  =  Y (Dosage Amount in g)

Example: Calculate the amount of dextrose in 1000 mL D5W.

Concentration % 100

x Volume (mL)  =  Y (Dosage Amount in g)

5% 100

x 1000 mL  =  50 g

Example: Calculate the amount of sodium chloride in 2000 mL NS.
Recall NS is 0.9% NaCl (sodium chloride)

Concentration % 100

x Volume (mL)  =  Y (Dosage Amount in g)

0.9% 100

x 2000 mL  =  18 g

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