# Question #ccabc

##### 1 Answer

Jun 21, 2016

#### Answer:

#### Explanation:

You can get to the answer in two steps:

- calculate: 500 atoms =
#color(red)x# mol ?

using Avogadro's constant. - calculate:
#color(red)x# mol =#color(red)?# grams,

using the atomic mass of Iron.

**Step 1**

Avogadro's constant says that

**Step 2**

The atomic mass of iron (Fe) will give you the weight of one mole of this molecule:

So the 500 iron atoms weigh