Potassium nitrate, KNO,, has a molar mass of 101.1 g/mol. In a constant-pressure calorimeter, 20.9 g of KNO, is dissolved in 335 g of water at 23.00 °C. KNO, (6) K*(aq) + NO, (aq) The temperature of the resulting solution decreases to 17.90 °C. Assume that the resulting solution has the same specific heat as water, 4.184 J/(g "C), and that there is negligible heat loss to the surroundings. How much heat was released by the solution? kJ + TOOLS What is ( x10 AH =

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Potassium nitrate, KNO,, has a molar mass of 101.l g/mol. In a constant-pressure calorimeter, 20.9 g of KNO, is dissolved
in 335 g of water at 23.00 °C.
H,O
KNO, ()
K* (aq) + NO, (aq)
The temperature of the resulting solution decreases to 17.90 °C. Assume that the resulting solution has the same specific
heat as water, 4.184 J/(g "C), and that there is negligible heat loss to the surroundings.
How much heat was released by the solution?
Ioln
kJ
+ TOOLS
What is ( K10
AH=
kl/mol
Transcribed Image Text:Potassium nitrate, KNO,, has a molar mass of 101.l g/mol. In a constant-pressure calorimeter, 20.9 g of KNO, is dissolved in 335 g of water at 23.00 °C. H,O KNO, () K* (aq) + NO, (aq) The temperature of the resulting solution decreases to 17.90 °C. Assume that the resulting solution has the same specific heat as water, 4.184 J/(g "C), and that there is negligible heat loss to the surroundings. How much heat was released by the solution? Ioln kJ + TOOLS What is ( K10 AH= kl/mol
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