Use the molar mass concept to solve the following problems:
1. The main mineral in marble, chalk, and pearls is called calcium carbonate. If a sample of calcium
carbonate contains 3.42 mol, what is the mass in grams of this sample?
2. Borax is a hydrate with the chemical formula Na₂B,0,. 10 H₂O.
What is the molar mass of the hydrate?
3. 4.56 mol of iron III chloride are required as a reactant. How many
grams are needed?
PLS HELP ASAP FOR POINTS !
