4.539 grams of a mixture of a metal, wood chips, salt, and sand are separated. If 0.835 grams of metal, 0.889 grams of wood chips, 0.868 grams of salt, and 0.851 grams of sand are recovered after the se
a) 0.042 grams
b) 0.084 grams
c) 0.126 grams
d) 0.168 grams
