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Chemistry - CP Even More Mole Massing of Elements HW
Answer the following using the appropriate equation or using dimensional analysis. Show all work, cancel units, etc.
1. If I weighed out 562 grams of Sn (Tin), how many moles of Tin do I have?
2. How many grams in 6.17 moles of Se (Selenium)?
3. If I weighed out 0.418g of Si (Silicon), how many moles of Si do I have?
4. If I have weighed out 2.57 kilograms of Kr (Kryton), how many moles of Kr do I have?
5. How many grams of Ar (Argon) do I need to mass out to obtain 0.0361 moles of Ar?
Answer: 1) 4.72mole Sn 2) 487g Se 3) 0.0149moles Si 4) 30.6mole Kr 5) 1.44g Ar