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11 November, 09:15

How many moles of PbS are equivalent to 458g PbS

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  1. 11 November, 13:08
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    Answer: 1.91 moles PbS

    Explanation: You have to divide 458g PbS by its molar mass (239.27g/mol). The grams will cancel out and you'll be left with 1.91 moles PbS. The answer will have 3 sig figs.
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