8
QuizMultiple Choice
Enthalpy and Phase Changes
Question 8 • CR SS Chemistry S2 2018/19 2026
NaCl has a Hfus = 30.2 kJ/mol. What is the mass of a sample of NaCl that needs 732.6 kJ of heat to melt completely?Use .
Answer
A
24.3 gB
82.7 gC
1,407.1 gD
1,417.7 g