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?

Question

Chemistry

Sergio Bernard

21 December, 05:12

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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Answers (1)

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Nero · Answer 1

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.