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19-09-2016
Chemistry

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Calculate the mass (in g) of 2.1 x 1024 atoms of W.

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Willchemistry Willchemistry

19-09-2016

Atomic mass W = 183.84 u.m.a

183.84 g ----------- 6.02x10²⁴ atoms
?? g ---------------- 2.1x10²⁴ atoms

2.1x10²⁴ x 183.84 / 6.02x10²⁴ =

3.860x10²⁶ / 6.02x10²⁴ = 641.30 g

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