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<center><b>Chemistry - One Step Mole Problem for Elements - Numbers</b></center><br> Answer the following using the appropriate equation or using dimensional analysis. <b>Show all work, cancel units, etc.</b><br> <br> 1. How many moles of P (phosphorus) do I have if I have 4.32E24 atoms P?<br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> 2. How many atoms K in 0.125 moles K (potassium)?<br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> 3. If I counted out 3.417E22 atom Fe (iron), how many moles Fe do I have?<br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> 4. If I have 6.12E24 atoms B (boron), how many moles do I have?<br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> 5. How many atoms of Pb (lead) do I need to have 2.543 moles of Pb?<br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> 6. If I have counted out 2.32E15 atoms of Na (sodium), how many moles of Na do I have?<br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> Answer: 1)211g Zn 2)8.0g S 3)0.579mole Fe<br> 4) 0.0382 mole B 5) 526.4g Pb 6) 1.97 mole Na<br>
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