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1. What mass (grams) F do I need for 0.451moles F? Molar mass?
2. How many moles Ti do I have if I mass out 4.3E3g Ti? Molar mass?
3. How many moles Rb do I have if I have 1.23E25 atom Rb?
4. How many atoms do I have if I have 0.035 moles Cs?
5. What mass (grams) Ba do I have to mass out to get 1.632mole Ba?
Answer:
1) 19g/mole, 8.57g F
2) 48g/mole, 90.mole
3) 20.4 moles Rb
4) 2.1E22 atoms Cs
5) 225.2g Ba