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anonymous

  • one year ago

Doctors recommend that men get 11 g of zinc daily. How many moles of zinc are in 11 g a)0.17 b)17 c)1.70 d).20

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  1. anonymous
    • one year ago
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    1 mole of Zn = 65.4 g 11 g Zn = 11 g /65.4 g moles = 0.1682 moles

  2. Astrophysics
    • one year ago
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    \[n= \frac{ m }{ M }\] where m is the mass and M is the molar mass, which can be found for zinc in the periodic table.

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