Editing revision 2 of One Step Mole Problems For Elements - Mixed
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<center><b>Chemistry - One Step Mole Problem for Elements - Mixed Mass/number</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 atoms of Rb in 32.0 moles of Rb?<br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <Br> 2. If I weighed out 12.61 grams of Ba, how many moles of Ba do I have?<br> <br> <br> <br> <br> <br> <Br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> 3. How many moles Cr, if I have 7.1E19 atoms of Cr?<br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> 4. If I want to weighed out 5.06 moles Pb, how many grams Pb do I need to weigh out? <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> Answer: 1) 1.93E25 atom Rb 2)0.09204 mole Ba 3) 1.2E-4 mole Cr 4)1.05E3g Pb<br>
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