Helium Exp
Check out this page if you are looking for Helium Exp
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 Delsey Helium Fusion 30 Carry on Expandable Suiter Trolley Black  US $69.99
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 Delsey Helium Xpert Lite 4 Wheel Spinner Carry On Suiter Trolley Luggage Black US $152.99
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 Delsey Helium Xpert Lite 25 Spinner 4 Wheel Suiter Trolley Luggage Black NWT US $186.99
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 Delsey Helium Xpert Lite Spinner Carry On Bag Luggage US $152.99
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 Delsey Helium Fusion 30 Carry on Exp Suiter Trolley US $84.99
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 NEW Delsey Helium Fusion 30 25 Exp Suiter Trolley US $110.99
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 NEW Delsey Helium Fusion 30 29 Exp Suiter Trolley US $118.99
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 NEW Delsey Helium XPert Lite 4 Wheel 25 Exp Suiter Tr US $186.99
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 NEW Delsey Helium XPert Lite 4 Wheel 29 Exp Suiter Tr US $203.99
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 NEW Delsey Helium XPert Lite 4 Wheel 21 Exp Suiter Tr US $152.99
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 Delsey Helium Fusion Lite Carry on Expandable Suiter Trolley Blue US $69.99
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 NEW Delsey Helium SuperLite 25 Exp Trolley Black US $135.99
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 Delsey Helium SuperLite 25 Exp Trolley Black US $135.99
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 Delsey Helium Xpert Lite 29 Spinner Suiter Luggage US $203.99
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 Delsey Helium XPert Lite 4 Wheel 29 Exp Suiter US $203.99
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 Delsey Helium Breeze 30 21 Exp Spinner Black US $127.49
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 Delsey Helium XPert Lite 4 Wheel 21 Exp Suiter US $152.99
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 Delsey Helium XPert Lite 4 Wheel 25 Exp Suiter US $186.99
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 NEW Delsey Helium Fusion 30 Carry on Exp Suiter Troll US $84.99
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 Delsey 22877 Helium Fusion Lite 20 25 Exp Suiter US $99.99
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 Delsey Helium Pilot 20 29 Exp Suiter Trolley US $263.49
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 Delsey Helium Pilot 20 25 Exp Suiter Trolley US $237.99
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 Delsey Helium Alliance 21 Carry On Exp Suiter Trolley US $72.00
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 NEW Delsey Helium SuperLite Carry on Exp Trolley Moc US $110.99
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 Delsey Helium SuperLite 215 Carry On Exp Trolley US $110.49
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 DELSEY HELIUM FUSION LITE 20 EXP 21 SUITER TROLLEY NW US $120.00
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 DELSEY HELIUM FUSION LITE 20 EXP 29 SUITER TROLLEY NW US $179.99
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 Delsey Helium Alliance 3 Piece Luggage Set Black US $207.99
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 NEW Delsey Helium Alliance 21 Carry On Exp Suiter Trol US $72.99
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 DELSEY Helium Pilot 20 Model 17877 PL 26 Suiter US $214.99
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 NEW Delsey Helium SuperLite 29 Exp Trolley Black US $152.99
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 Delsey Helium SuperLite 29 Exp Trolley Black US $152.99
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 Delsey Helium Fusion 30 25 Exp Suiter Trolley US $110.49
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 Delsey Helium Fusion 30 29 Exp Suiter Trolley US $118.99
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 Delsey Travel Luggage Case Soft Bag Carry On Black Wheel Expandable Large NEW US $155.51
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 Delsey Helium Fusion 30 29 Exp Suiter Trolley Blue US $118.99
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 Delsey Helium Fusion 30 25 Exp Suiter Trolley Blue US $110.49
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 NEW Delsey Helium Alliance 3 Piece Luggage Set Black US $207.99
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 NEW Delsey Helium SuperLite Carry on Exp Trolley Bla US $110.99
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 Delsey Helium Pilot 20 Carry On Exp Suiter Trolley US $186.99
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 Delsey Helium Fusion Lite 20 29 Expandable Suitcase US $49.99
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Which of the following has a greater mass: 2 atoms of lead or 5.1 x 10 exp-23 mole of helium?
Chem problem....
6.02 x 10^23 atoms in a mole.
5.1 x 10^-23 moles of He is how many atoms then? I compute 31 (but you're going to want to check my math)
31 atoms at 4 amu each is 124 amu
2 atoms of Pb at 207 amu each is 414 amu
The Pb has greater mass
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