A #"140.5-g"# sample of #"NiSO"_4 * x "H"_2"O"# was heated until no further decrease in mass was observed. The mass of the anhydrous (dry) salt is #"77.5 g"#. Determine the value of #x# in the formula?
2 Answers
Feb 26, 2018
Check the answer below...
Explanation:
Feb 26, 2018
Explanation:
We start with the HYDRATE of a nickel salt...
We heat the nickel hydrate such that we are left with nickel sulfate, and the mass loss represents the moles of water...
But the mass LOST represented the water present....
And so we got...