Final answer:
To find the grams of mannitol given, use the volume and concentration of the mannitol solution in the formula (Concentration x Volume) / 100.
Step-by-step explanation:
To find the grams of mannitol given, we need to use the concentration of the mannitol solution.
 Given:
 Volume of mannitol solution = 27.0 mL
 Concentration of mannitol solution = 22% (m/v)
 We can use the formula:
 Mass = (Concentration x Volume) / 100
 Substituting the given values:
 Mass = (22 x 27.0) / 100
 Mass = 5.94 grams
 Therefore, 5.94 grams of mannitol were given.
 Learn more about Calculating the mass of a substance given its concentration and volume