4. When 1.00 L of 1.00 M Ba(NO3)2 solution at 25.0˚C is mixed with 1.00 L of 1.00 M Na2SO4 solution at 25.0˚C in a calorimeter, the white solid BaSO4 forms, and the temperature of the mixture increases. What is the final temperature of the mixture if the enthalpy change is – 26 kJ per mol BaSO4 formed? The specific heat of water is 4.18 J/g ·˚C, and the density of water is 1.00 g/mL
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4. When 1.00 L of 1.00 M Ba(NO3)2 solution at 25.0˚C is mixed with 1.00 L of 1.00 M Na2SO4 solution...
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