Answer
MgSO4 x 7 H2O -> MgSO4 x H2O + 6 H2O
Work Step by Step
Epsom salt is originally a heptahydrate. A monohydrate indicates there is only one water molecule.
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.