The ΔH for the Solution Process When Solid Sodium Hydroxide

question 74

Multiple Choice

The ΔH for the solution process when solid sodium hydroxide dissolves in water is 44.4 kJ/mol. When a 12.6-g sample of NaOH dissolves in 250.0 g of water in a coffee-cup calorimeter, the temperature increases from 23.0 °C to ________°C. Assume that the solution has the same specific heat as liquid water, i.e., 4.18 J/g-K.

• A)35.2
• B)24.0
• C)36.4
• D)35.7
• E)40.2

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