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25 August, 12:03

Galvanized nails are iron nails that have been plated with zinc to prevent rusting. the relevant reaction is zn2 (aq 2e? zn (s for a large batch of nails, a manufacturer needs to plate a total zinc mass of 3.20 kg on the surface to get adequate coverage. part a how many moles of zinc are in 3.20 kg of zinc?

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  1. 25 August, 15:37
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    1kg=1000g

    3.20kg=?

    now;

    3.20*1000:1=3200g

    then;

    number of moles=mass:molarmass

    number of moles=3200: (2*65.4)

    number of moles=3200:130.8

    number of moles=24.46moles.
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