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13 November, 11:43

How many moles are present in 16.2 g of lead?

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  1. 13 November, 13:36
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    Hello!

    To find the number of moles present in 16.2 grams of lead, we need to know how much one mole of lead weighs.

    1 mole is equal to the atomic mass of an element, so, 1 mole of lead is equal to about 207.2 grams.

    To find that, divide the given amount of lead by 1 mole of lead (207.2 grams).

    16.2 grams / 207.2 grams ≈ 0.07818

    Therefore, the amount of moles present in 16.2 grams of lead is about 0.078 moles. (round to amount of sigfigs: 0.0782 moles)
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