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Chemistry
Kaliyah Phillips
7 January, 22:55
How many moles of PbS are equivalent to 458g PbS
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Cyrus Hardin
8 January, 00:58
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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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