Homework Answers
Mass of the solution = mass of CsCl + mass of water
= 6.66 + 103.30
= 109.96 grams
Q = mass * specific heat * ∆T
= 109.96 * 4.184 * ( 23.82 - 22.04)
= 818.93 J
Moles of CsCl = mass / molar mass
= 6.66 / 168.36
= 0.03956
0.03956 mole absorbs 818.93 J
1 mole will absorb heat = 818.93 / 0.03956
= 20701.96 J / mol
Or 20.7 KJ/mol
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