karla9809890 karla9809890
  • 21-12-2016
  • Chemistry
contestada

What is the mass of 3.0 x 1023 atoms of neon

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diene
diene diene
  • 21-12-2016
1 mole =6.0 * 10^23 atoms
3.0*10^23 atoms = 0.5 moles
the molar mass of neon is 20.18g/mole
0.5 moles = 10.09 grams
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howudoing
howudoing howudoing
  • 21-12-2016
6.022×10^23 atom=20 gm
3×1023 atom= 20×3×1023/6.022×10^23
ans =1.019×10^-19
Answer Link

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