What is the mass, in grams, of 2.50 moles of iron(II) hydroxide, #Fe(OH)_2#?

1 Answer
Dec 15, 2015

Answer:

The mass of #"2.50 mol Fe(OH)"_2"# is #"225 g"#.

Explanation:

The mass of one mole (molar mass) of #"Fe(OH)"_2"# is #"89.85968 g/mol"#. http://pubchem.ncbi.nlm.nih.gov/compound/10129897#section=Top To determine the mass of #"2.50 mol Fe(OH)"_2"#, multiply the given moles by the molar mass.

#2.50 cancel"mol Fe(OH)"_2xx(89.85968"g Fe(OH)"_2)/(1cancel"mol Fe(OH)"_2)="225 g Fe(OH)"_2"#