A certain hydrate is found to have the following percent composition by mass: 20.3% Cu, 8.95% Si, 36.3% F, and 34.5% H2O. What is the Formula of this hydrate?
CuSiF6•7H2O
(work needs to be shown)

How can you write e method for the experiment of separating sand from water by filtration process? 1-materials 2-steps 3-conclusion also the same for the separating process of water and salt by filtration or distillation. quick because i need to finish my hw