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.)

ANSWER Table:

If you would like some Help figuring out any of the cells select the Help link for the particular cell you would like assistance.

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

Answer

Answer

Cr2O3

Answer

 Answer 

Answer

9.63 x 1023

unknown

Answer

56.8

0.476

Answer

Mo

Answer

Answer

62.8

Answer