Question #7f8c9
1 Answer
Sep 27, 2017
% water = 53.75%
Explanation:
The Epsom salt is a hydrate. This is a salt compound that acts like a sponge. The hydrated version is like a sponge which has absorbed a bunch of water. The anhydrate version of the salt is analogous to a completely dry sponge.
Magnesium sulfate can absorb water at a ratio of 7 moles of water to every 1 mole of
Here's how to do the calculation of the percent water.
mass of water = mass of hydrate - mass of anhydrate
3.304g water = 6.147g Hydrate - 2.843g Anhydrate
% water =
% water =
% water = 53.75% (answer should be rounded to 4 sig figs)
You might also find these videos helpful for these types of calculations.
Hope this helps!
