Can somebody help me with these it’s due at 6:30 pm

How many atoms are in 1.4 mil of phosphorus trifluoride (pf3)

Between 2014 and 2016, more than 25,000 children in flint, michigan, drank water that was contaminated with lead from lead pipes. during this time, the city claimed the water was safe to drink. which of these actions could the city have taken to ensure that the drinking water was free from lead?

When a scientific theory has been tested and proved by the scientific community, it becomes a law