48.78%
Percentage of MgSO4 = mass of MgSO4/ mass of sample (MgSO4. 7H20) and multiply it by 100.
Answer:
false
Explanation
The chemical bonds were broken when creating the compound MgO.
It would be Xe because all of the other ones aren't filled up in the correct order which only happens during an excited state.
Should be that answer
342 gram
