While getting ready to conduct an experiment, a student prepares 150 mL of 42.2% potassium chromate by mass solution. If the density of the solution is measured to be 1.40 g/mL, how many grams of potassium chromate were used to make the solution?

Give your answer with two decimal places.

Answer earth,water,fire and air;

Don’t know. don’t care.look it up on google

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: