Chemistry: Mole Problems #2
By E Saylor
Conversion Factors:
1 mole = gram formula mass1 mole = 6.02 x 1023 atoms, molecules, or formula units
Directions and/or Common Information:
Convert and show all work.1.77 x 1028 atoms Cu = ___ mole Cu = ___ grams Cu
44.0 g Ca = ___ mole Ca = ___ atoms Ca
0.775 mole K = ___ atoms K = ___ g K
1.99 x 1025 molecules of H2O = ___ moles H2O
0.667 moles Li = ___ g Li
5.88 moles Na = ___ atoms Na
15.0 x 1023 atoms Zn = ___ g Zn
878 g O = ___ atoms O
125 g Cr = ___ atoms Cr
4.75 x 106 atoms Al = ___ g Al