A. If I have mannitol concentrate of 1.37 M how many ml of this solution should

Question

A. If I have mannitol concentrate of 1.37 M how many ml of this solution should be given to provide a dose of 70g mannitol. Note molar mass of mannitol is 182.17g/mol. B. This solution is hypertonic to body fluids how can it relieve brain swelling? A. If I have mannitol concentrate of 1.37 M how many ml of this solution should be given to provide a dose of 70g mannitol. Note molar mass of mannitol is 182.17g/mol. B. This solution is hypertonic to body fluids how can it relieve brain swelling? A. If I have mannitol concentrate of 1.37 M how many ml of this solution should be given to provide a dose of 70g mannitol. Note molar mass of mannitol is 182.17g/mol. B. This solution is hypertonic to body fluids how can it relieve brain swelling? B. This solution is hypertonic to body fluids how can it relieve brain swelling?

Explanation / Answer

1. moles of manitol = mass/molar mass= 70 g/182.17 =0.384 moles

concentration of manitol = 1.37M = 1.37 moles/ liter

1L= 1000ml

1.37 moles of manitol is there is 1000ml

0.384 moles of manitol is there in 1000*0.384/1.37=280.3 ml

2. The presence of mannitol is in the blood, causes fluid in tissues to move to the blood where there is no manitol whicj leas to exertion of fluid by the kidneys there by preventing swelling around the brain

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