Complete the following table: (In this problem you are to determine the values for each of the empty entries. The goal of this problem is for you to become comfortable with the moles, molar mass, and Avogadro's number. If you would like some help use the Help table below. To check your answers use the Answer table.)

Formula

M, Molar
Mass (g ­ mol-1)

m, Mass of
sample (g)

n, Moles of
sample (mol)

N, Number of atoms,
molecules or formula units

H2SO4

98.0

0.825

  

 

Cr2O3

   

  

   

9.63 x 1023

unknown

   

56.8

0.476

  

Mo

    

62.8

  

insert an audio description of the problem....