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vekshin1
3 years ago
10

What is the mass of 3.0 x 1023 atoms of neon

Chemistry
2 answers:
Xelga [282]3 years ago
8 0
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
Alex Ar [27]3 years ago
5 0
6.022×10^23 atom=20 gm
3×1023 atom= 20×3×1023/6.022×10^23
ans =1.019×10^-19
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