How many molecules are present in a sample of oxygen gas with a mass of 3.2 grams

The net force is 100

Those are different gas lawshere is a brief description of themcharles's law states that volume and temperature are directly proportional to each other as long as pressure is held constant.  boyle's law asserts that pressure and volume are inversely proportional to each other at fixed temperature.gay-lussac's law introduces a direct proportionality between temperature and pressure as long as it is at a constant volume.    source:

The percentage of the rock record is 66%plz mark me brainliest! hope this !