Question

What is the proper name for MgSO4/H2O?
A. Manganese sulfate hexahydrate
B. Magnesium sulfite dihydrate
C. Magnesium sulfite heptahydrate
D. Magnesium sulfate heptahydrate

Answer 1

you only have one H2O on the sulfate so I would call it a monohydrate
Are you sure it is not 7H2O ????
instead of /H2O ????
the would make it D

Answer 2

the heptahydrate is commmonly called Epson Salts, avaliable at Walgreens. As a mineral, it is called Epsonite