What is the mass of 0.7891 mol of ferric oxide (#Fe_2O_3#)?

1 Answer
anor277
May 15, 2016

#Fe_2O_3# has a formula mass of #159.69*g*mol^-1#.

Explanation:

To get the mass of a specific molar quantity, mulitply the number of moles by the molar mass to give an answer in grams:

#159.69*g*mol^-1xx0.7891*mol# #~=# #128*g#.

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