For example, a student looking at the picture of the baby could state the obvious by saying the baby is crying. ... When students predict, they guess what will happen next based on what they already know from the text and their background knowledge. When students infer, they make a guess about what is currently happening.
The molarity formula is moles over liters and that in your case is 2.50 moles divided by .500 L which results in 5 which is your answear hope this helped god bless