8. GIVEN 0.289 mole of Ca(PO4)3F? find the number of grams. 9. GIVEN 7.21g of Ca (PO4)3F? find the number of molecules.

10. GIVEN 9.4L of I2 gas at STP, calculate the number of moles.

The graph above shows how the price of cell phones varies with the demand quantity. the equilibrium price for cell phones is where both supply and demand quantities equal $100, 5,000 5,000, $100

Margaret wants to make an orange flavored drink by stirring powdered drink mix into a glass of water. she doesn't like drinks that have small clumps of powdered solid in them, so she wants the drink to be a perfect solution. what factors should margaret not consider when deciding how much powder to add to her glass of water?

Which of these expressions are correct variations of the combined gas law? p1v1t2 = p2v2t1 both