How many F atoms are there in 1.355×10^24 molecules of trifluoroacetic acid, C2HF3O2?

How many atoms are there in 5.70 mol of mg

Which statement best describes the liquid state of matter? a. it has definite shape but indefinite volume. b. it has definite shape and definite volume. c. it has indefinite shape and indefinite volume. d. it has indefinite shape but definite volume.

Aplanet similar to earth has four moons roughly the same distance away. the moon that will most affect tides on the planet is the one that has the greatest a) mass. b) volume. c) density. d) amount of water.