<h2>
Answer:</h2>
<h2>
Explanation:</h2>
<em>Since I don't have access to "Appendix A", I'll solve the problem using data from the periodic table.</em>
<em />
<h3>1. Determine the molar mass of iron.</h3>
<em>According to the periodic table, the molar mass of iron is:</em>
55.845g/mole.
<h3>2. Convert 1 tonne to grams.</h3>
<h3>3. Apply rule of 3.</h3>
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<h3>4. Determine the amount of atoms.</h3>
<em>Considering that there are, approximately, </em> atoms in a mole of any element, apply another rule of 3.
1 mole ---------------------
--------------------- x
.