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September 1, 2015

Homework Help: chemistry

Posted by Anonymous on Monday, November 17, 2008 at 7:29pm.

What mass of CaCl2(s) must be dissolved in pure water at 10 degrees celsius to make a 26.3 mL solution and to increase the solution temperature to 16.4 degrees celcius?

assume solution has same physical properties as water.

deltaH of solution = -82.8 kJ/mol
specific heat of water = 4.184J/g degrees celsius
density of water = 1.00 g/cm^3

DOES ANYONE HAVE ANY CLUE AS 2 HOW 2 START THIS?

any help will b appreciated

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