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natulia
[17]
2 years ago
14
Questioned document examiners prefer to work with copies of a questioned document in order to avoid damage to the original
Chemistry
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gladu
[14]
2 years ago
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How many moles of mercury, Hg, are there in 1.30 x 10^7 atoms of murcury? PLEASE HELP, IT'S URGENT! Thank you! (:
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1 mole Hg ---------------- 6.02x10²³ atoms
?? ------------------------- 1.30 x10⁷ atoms
1.30x10⁷ x 1 / 6.02x10²³ =
= 1.30x10⁷ / 6.02x10²³ =>
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