The mass of an atom of silver is 1.79 10-22g. How many atoms are in a 0.47 lb sample of silver? Posted on March 18, 2021 | by wp The mass of an atom of silver is 1.79 10-22g. How many atoms are in a 0.47 lb sample of silver? (Enter your answer in scientific notation as follows: 1.00E+2 is equivalent to 100).