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Chemistry - One Step Mole Problem for Elements
Answer the following using the appropriate equation or using dimensional analysis. Show all work, cancel units, etc.
1. How many grams in 3.25 moles of Zn (zinc)?
2. How many grams in 0.25 moles of S (sulfur)?
3. If I weighed out 32.4 grams of Fe (iron), how many moles of iron do I have?
4. If I weighed out 0.420 grams of B (boron), how many moles do I have?
5. How many grams of Pb (lead) do I need to mass out to obtain 2.543 moles of Pb?
6. If I have weighed out 0.0453 kilograms of Na (sodium), how many moles of Na do I have?
Answer: 1)211g Zn 2)8.0g S 3)0.579mole Fe
4) 0.0382 mole B 5) 526.4g Pb 6) 1.97 mole Na