As an introduction to his class, Severus Snape teaches the first years at Hogwarts about hydrates. He begins with equations representing various dehydrations. Which of the following equations properly represents the dehydration of MgCO₃·5H₂O?
A) MgCO₃ · H₂O(s) → MgCO₃(s)+H₂O(g)
B) MgCO₃ · 5H₂O(s) → MgCO₃(s)+5H₂O(g)
C) MgCO₃ · 5H₂O(s) → MgCO₃(s)+H₂O(g)
D) MgCO₃ · 5H₂O(s) → MgCO₃(s)+5H₂O(g)
