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13 February, 12:01

How many moles of zinc are in 4.70 kg of zinc?

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  1. 13 February, 12:06
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    First we convert kg to g

    1kg = 1000g

    4.70=x (gram)

    4.70*1000:1=4700g

    now:

    number of moles=mass:molarmass

    number of moles=4700:65.4

    number of moles=71.86moles.
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