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Calculate the enthalpy of hydration of Na CO3 if 5.19 g of NazCO; dissolves in water and gives out 2.033 kJ of heat (Q) and 18.9 g of Na2CO; • 10H2O dissolves in water and absorbs 2.639 kJ of heat (Q). The molecular weight for Na2CO3 is 105.99 g/mol, Na CO3 10H2O is 286.14 g/mol. (6 points, Hint: AH = Q/ # of moles, AH1= AH2 + AH3) Na CO, (s) excess HO 2Nat (ag) CO? (ag) ΔΗ + 10H O ΔΗ. AH3 + excess HO Na CO;• 10H;O (s)

Calculate the enthalpy of hydration of Na CO3 if 5.19 g of NazCO; dissolves in water and gives out 2.033 kJ of heat (Q) and 18.9 g of Na2CO; • 10H2O dissolves in water and absorbs 2.639 kJ of heat (Q). The molecular weight for Na2CO3 is 105.99 g/mol, Na CO3 10H2O is 286.14 g/mol. (6 points, Hint: AH = Q/ # of moles, AH1= AH2 + AH3) Na CO, (s) excess HO 2Nat (ag) CO? (ag) ΔΗ + 10H O ΔΗ. AH3 + excess HO Na CO;• 10H;O (s)

General Chemistry - Standalone book (MindTap Course List)
General Chemistry - Standalone book (MindTap Course List)
11th Edition
ISBN:9781305580343
Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Publisher:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Chapter12: Solutions
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Problem 12.61QP: Concentrated hydrochloric acid contains 1.00 mol HCl dissolved in 3.31 mol H2O. What is the mole...
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Calculate the enthalpy of hydration of Na CO3 if 5.19 g of NazCO; dissolves in water and gives out 2.033 kJ of heat (Q) and 18.9 g of Na2CO; • 10H2O dissolves in water and absorbs 2.639 kJ of heat (Q). The molecular weight for Na2CO3 is 105.99 g/mol, Na CO3 10H2O is 286.14 g/mol. (6 points, Hint: AH = Q/ # of moles, AH1= AH2 + AH3) Na CO, (s) excess HO 2Nat (ag) CO? (ag) ΔΗ + 10H O ΔΗ. AH3 + excess HO Na CO;• 10H;O (s)
Transcribed Image Text:Calculate the enthalpy of hydration of Na CO3 if 5.19 g of NazCO; dissolves in water and gives out 2.033 kJ of heat (Q) and 18.9 g of Na2CO; • 10H2O dissolves in water and absorbs 2.639 kJ of heat (Q). The molecular weight for Na2CO3 is 105.99 g/mol, Na CO3 10H2O is 286.14 g/mol. (6 points, Hint: AH = Q/ # of moles, AH1= AH2 + AH3) Na CO, (s) excess HO 2Nat (ag) CO? (ag) ΔΗ + 10H O ΔΗ. AH3 + excess HO Na CO;• 10H;O (s)
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