Answer to Question #142031 in General Chemistry for Faye

Question

Quantitative observations

mass of evaporating dish 42.90g
mass of evaporating dish and hydrate 54.76-42.90= 11.86
mass of evaporating dish and anhydrous salt 50.56-42.90=7.66

Qualitative observations
hydrate Blue crystals and white powder
anhydrous salt Gery ashes

Questions:
1. What do your qualitative observations indicate about the composition of copper
(II) sulfate?

Answer 1

It indicates the presence of Cu²⁺ and SO₄^2- ions