In this exercise, you will calculate molar value of H (in kJ/mol) for dissolving NH 4 H

In this exercise, you will calculate molar value of ΔH (in kJ/mol) for dissolving NH₄H₂PO₄ in Part D of the Calorimetry lab.

(a) What temperature change did you find for dissolving NH₄H₂PO₄ in Part D of the experiment? (Include the + or - sign in your answer.)
+22.69 °C

(b) What mass of water did you find in Part D of the experiment?
98.095 g

(c) What mass of NH₄H₂PO₄ did you dissolve in Part D of the experiment?
8.633 g

(d) Calculate ΔH in kilojoules for your reaction in Part D. (Enter your answer to three significant figures.)
? kJ

(e) Calculate the molar value of ΔH (in kJ/mol) for the reaction in Part D. (Enter your answer to three significant figures.)
? kJ/mol

Answer rating: 100% (QA)

Part A You are given the temperature change in Part D of the experiment 2269 C Part B You are given ... View the full answer