An intravenous solution of mannitol is used as a diuretic to increase the loss of sodium and chloride by a patient. If a patient receives 25.0 mL of a 25.% (m/v) mannitol solution, how many grams of mannitol were given?

Question

Express your answer to two significant figures and include the appropriate units.

Answer 1

To find the grams of mannitol given, we can use the equation:

grams of mannitol = volume of solution (mL) × concentration of solution (m/v)

Plugging in the given values:

grams of mannitol = 25.0 mL × 25.% (m/v)

First, we need to convert the percent concentration to a decimal:

25.% (m/v) = 0.25 (m/v)

Plugging this in:

grams of mannitol = 25.0 mL × 0.25 (m/v)

grams of mannitol = 6.25 grams

Therefore, 6.25 grams of mannitol were given.