Find the mass in grams for 5.22 moles of Al2S3

Imagine that you own a property that is exactly 2.2 acres large. you want to sell your property, but your realtor tells you that you cannot sell your land by the acre. in order to sell your land you need to determine the area you own in units of square meters? given that there are 1.6 kilometers in 1 mile and 640 acres in 1 square mile, what is the area of land that you own in square meters square meters?

What are transitions between a liquid and a solid called? identify which way they are transitioning

What is the empirical formula of c6h18o3? ch3o c2h5o c2h6o c2h5o5