Question

Calculate the number of moles in 7.85 gram of iron

Answer 1

Answer:

0.141 mol

Explanation:

To convert grams into number of moles, divide by the molar mass also called standard atomic weight. This is found on the periodic table. For Iron, it’s 55.845 g/mol.  

So 7.85 / 55.845 = 0.141 mol

Hope it helps you

Mark it as Brainliest