If 0.1 moles of XSO4 combined with 5.4gm of H2O to form XSO4.nH2O what is the value of n?

Which of the following is the correct definition of chemical energy? a. energy an object has because of its motion or position b. energy resulting from the flow of charged particles, such as electrons or ions c. energy produced from the splitting of atoms d. energy stored in chemical bonds of molecules