A1.547 g sample of blue copper(ii) sulfate pentahydrate, ‍ , is heated carefully to drive off the water. the white crystals of that are left behind have a mass of g. how many moles of ‍ were in the original sample? show that the relative molar amounts of and ‍ agree with the formula of the hydrate.

Explanation:

Hello,

By developing the following stoichiometric relationship, the required amount could be found as follows:

- Moles of :

- Grams of

- Moles of water:

Finally, one could see that the mass of the anhydrous compound is less than the pentahydrated compound since it is waterless.

Best regards.

every chemical equation adheres to the law of conservation of mass, which states that matter cannot be created or destroyed. therefore, there must be the same number of atoms of each element on each side of a chemical equation.