Find the percent of water in magnesium sulfate x hexahydrate.

Magnesium sulfate, chemical formula MgO4S, and CAS No. 7487-88-9, is an inorganic salt chemical compound containing magnesium, sulfur and oxygen. It is often encountered as the heptahydrate sulfate mineral epsomite MgSO4·7H2O, commonly called Epsom salt

Explanation:

water is used to store them because it would keep the radiation from getting out in the open and causing harm to the workers

the density(ratio between mass and volume as m/v) decreases from top to bottom in periodic table group as the size increases and nuclear charge decreases. but in periods density increases from left to right as atom size decreases and nuclear charge increases.