# chemistry

A solution contains 15 g of CaCl2 in a total volume of 190 mL. Express the concentration in terms of grams/liter, % w/v, molars, and milimolars.

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1. 15 g CaCl2/molar mass = mols CaCl2.
mols/L = molarity.
millimolarity is 1000 times that.
% W/V is mass in 100 mL solution.

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