von2656 von2656

08-06-2017
Chemistry

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How many moles of PbS are equivalent to 458 grams ?

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LeChatNoir LeChatNoir

08-06-2017

M PbS: 207g + 32g = 239 g/mol

1 mole ------ 239g
X ------------- 458g
X= (458×1)/239
X = 1,92 mole of PbS

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