Please help I've got a test tomorrow! Can someone please explain how to determine if a solution is saturated, unsaturated, or supersaturated?

How many molecules of sucrose c12h22o11 are there in 454 grams of sucrose

What is the number of moles of chemical units represented by 9.03x10^24? and how do i show work? (dumb it down )

From the options provided for each element below, choose the properties that it may have based on its location in the periodic table fluorine (f): highly reactive nonmetal shiny a conductor