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Chemistry, 09.06.2021 17:50 journeyburks07
What is the number of moles of C12 molecules in a sample that contains 6.872 X 10^25 molecules of C12?
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Chemistry, 22.06.2019 12:00
Ican determine the molar mass of an element by looking on the under the atomic mass for the element. for example the molar mass of phosphorus is 30.974 grams/mole. avogadro’s number tells me the amount of representative particles in 1 mole of any substance. this means 12.011 gram sample of carbon and a 32.0 gram sample of sulfur have the same number of atoms.
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What is the number of moles of C12 molecules in a sample that contains 6.872 X 10^25 molecules of C1...
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