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You have a patient whose blood cells are composed of: 80 molecules of glucose, 50 molecules...

You have a patient whose blood cells are composed of: 80 molecules of glucose, 50 molecules of hemoglobin, 20 molecules of dextrose, and 2000 molecules of water. The total solute concentration is 7.5% If you needed to make an isotonic solution of saline for her IV, how many salt molecules would you need to add to 1000 molecules of water? How do you know?

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