Check your answer...do you agree? Great if you do. If you do not check the Solution: below the table to see how the number of grams of Mo is calculated.

The next answer is the number of atoms, molecules or formula units in the sample. Try to determine the value before clicking on the link.

Formula

M , Molar Mass

(g­mol-1)

mass of sample

(g)

n, number of

moles of sample

N, number of atoms,

molecules or formula units

Mo

95.9

6.02 x 103

62.8

3rd answer

Solution:

We are to calculate the number of grams in the sample. This is done by converting the number of moles of Mo to grams using the molar mass of molybdenum.