# Chemistry

Ringer's solution, used in the treatment of burns and wounds, is prepared by dissolving 8.6 g of NaCl, 0.30 g of KCl, and 0.33 g of CaCl2 in water and diluting to a volume of 1.00 L.

What is the osmolarity of Ringer’s solution?

1. 👍 0
2. 👎 0
3. 👁 778
1. mols NaCl = grams/molar mass
osmols NaCl = 2xmols NaCl

mols KCl = grams/molar mass
osmols KCl = 2xmols KCl

mols CaCl2 = grams/molar mass
osmols CaCl2 = 3xmols CaCl2

Take sum osmols to obtain total.
That/1L = ? osmolarity

1. 👍 0
2. 👎 0

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