What mass of phosphorus will react with Cl2 to make 7.100 mol of PCl5?

Which statement are accurate about snow flakes

If you are told to get 100 ml of stock solution to use to prepare smaller size sample for an experiment, which piece of glassware would you use?

Robert leaves a chocolate bar in his car while attending school all day. when he goes to his car in the afternoon, the bat has changed into gooey liquid. what happened to the chocolate bar