How many moles of KI are present in 4.56L of a 2.0M KI solution?

Measuring which physical property is most likely to produce the most precise results when trying to identify a substance

Which of the following is not a good technique for managing used oil? a) have specific, labeled catch pans available for technicians who are collecting oil b) spills in your shop and any releases on pavement or outside should be poured down a drain c) do not use oil containers for antifreeze or other non-similar fluids d) be prepared for oil spills with the proper absorbents

Can someone me with 6 to 10 plz this is for masteries test.