February 23, 2017

Homework Help: chemistry

Posted by Anonymous on Sunday, November 16, 2008 at 3:43am.

What mass (in grams) of CaCl2(s) must be dissolved in pure water at 10.0 deg Celsius to make a 26.4 mL solution and to increase the solution temperature to 16.4 deg Celsius? Assume that there is no heat loss from the solution and that the solution has the same physical properties as pure water.

DHsol(CaCl2)(s)) = - 82.8 kJ.mol-1

specific heat of water = 4.184 J.g-1.deg-1

density of water = 1.00

molar mass of CaCl2 = 111 g/mol

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