How interactions cause substance to boil at different tempurtures

One of the few xenon compounds that form is cesium xenon heptafluoride (csxef7). how many moles of csxef7 can be produced from the reaction of 13.0 mol cesium fluoride with 12.5 mol xenon hexafluoride? csf(s) + xef6(s) csxef7(s)

What does the mass of 0.7891 mol of ferric oxide (fe2o3)

Explain what happens at the saturation point when adding salt to water at room temperature.