-Lesson 3- -part 1- moles to mass-module 9

What is the mass of 4.35 ×10 ^−2 mol of zinc chloride (ZnCl2) ? ( Zn = 65.38 Cl=35.45 )

The United States chemical industry produces more sulfuric acid (H2S04), in terms of mass, than any other chemical. What is the mass of 3.25 mol of H2S04? ( H=1.01 , O=16 , S=32.07 )

CHALLENGE Write the chemical formula for potassium permanganate, and then calculate the mass in grams of 2.55 mol of the compound. ( K=39.09 , Mn =54.93 , O=16) HINT : Permenganate polyatomic ion is ( MNO4 -)