How many moles are in 169 kg of Au?
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24. Enter your answer in the provided box. How many grams of gold (Au) are there in 72.16 moles of Au?
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a) How many atoms of Au are in a film that is 1.0 cm square and 25 nm thick? b)What is the weight of the film in a)? c)If the sample is struck by a uniform probe with a diameter of 10 nanometers and penetrates through the film, how many atoms of Au will be in the penetrated volume? Atomic weight Au: 196.96657
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How many moles of Mg,0, are in 165 g of the compound? 165 g MgSO3 =
How many moles of gases are produced by the reaction of 6.65 kg of ammonium perchlorate? Report your answer to the nearest hundredth of a mole.