## 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

1 mole of Zn = 65.4 g 11 g Zn = 11 g /65.4 g moles = 0.1682 moles

2. Astrophysics

$n= \frac{ m }{ M }$ where m is the mass and M is the molar mass, which can be found for zinc in the periodic table.