What is the molecular formula if the mass of the molecular compound is 52.03 grams?

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

Which produce would best increase the amount of heat energy that is actually gained by calorimeter b

Substance x has a fixed volume, and the attraction between its particles is strong .substance y had widely spread out particles and can be compressed what can most likely be concluded about these substances