You place 50.0 mL of a 0.500 M solution of NaOH in a coffee-cup calorimeter at 25.00°C. You then carefully add 25.0 mL of 0.500 M HCl, also at 25.00°C.  NaOH(aq) + HCl(aq) → NaCl(aq) + H2O(l) What is the total mass inside the coffee cup? Assume the density of the solutions is the same as water (which is 1.0 g/mL).

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Chapter6: Thermochemisty
Section: Chapter Questions
Problem 6.110QP: A 29.1-mL sample of 1.05 M KOH is mixed with 20.9 mL of 1.07 M HBr in a coffee-cup calorimeter (see...
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You place 50.0 mL of a 0.500 M solution of NaOH in a coffee-cup calorimeter at 25.00°C. You then carefully add 25.0 mL of 0.500 M HCl, also at 25.00°C. 

NaOH(aq) + HCl(aq) → NaCl(aq) + H2O(l)

What is the total mass inside the coffee cup? Assume the density of the solutions is the same as water (which is 1.0 g/mL).

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