# Chapter 15 - Water and Aqueous Systems - 15 Assessment - Page 511: 77

CaCl2 x 2 H2O

#### Work Step by Step

40.078 g/mol + 2(35.453 g/mol) = 110.984 g/mol Compute the molar mass of calcium chloride. 2(1.0079 g/mol) + 15.9994 g/mol = 18.0152 g/mol Compute the molar mass of water.

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