What is the mass of 0.28 moles of iron

1 mole has mass = 56 g  

0.28 mol has mass = 56 x 0.28 = 15.68 g

Hope this helps!

Given data:

Number of moles of iron = 0.28 M

Mass of iron = ?

Solution:

Formula : Mass of iron = Number of moles of iron * Molecular mass of iron

Putting values in above formula:

                                 Mass of iron = 0.28 * 55.84 = 15.63

                                 Mass of iron = 15.63

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