1. Explain the difference between molecular formulas andempirical formulas. Give an example of a substance whose empiricalformula is different from its molecular formula. Give an example ofa substance whose empirical formula and molecular formula are thesame.

2. A sample of an ionic compound that is often used as a doughconditioner is analyzed and found to contain 4.650 g ofpotassium, 9.502 g of bromine, and 5.708 g ofoxygen.
What is the empirical formula for this compound?

3. A sample of an ionic compound that is used in thesemiconductor industry is analyzed and found tocontain 59.739 g of indium and 99.583 g oftellurium.
What is the empirical formula for this compound?

4. An ionic compound sometimes called TKPP is used as asoap and detergent builder. It is 47.343% potassium, 18.753%phosphorus, and 33.904% oxygen.
What is the empirical formula for this compound

5.