I'm a little confused as the question calls for two sulfur atoms and 1 oxygen atom and the final answer would be 2.41 * 10^24. Not sure how they got it.
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Ok so. A mole is a number, like a dozen (12) or bakers dozen (14) or a ton (2000 lbs). A mole is roughly 6.02*10^23. (Avagadros number). Look at a periodic table, you see the numbers below the name of the element? Thats the atomic mass unit. If you take the Atomic mass unit of an element and multiply it by 6.02*10^23, that is the mass of the element you would have in grams. So, if you hae 2 moles of a molecule, with 2 atoms of sulfer in the molecule, then you have 2 moles (6.02*10^23) times 2 molecules. Which would give the awsner of 2.408*10^24. Using 3 significant figures this brings the total out to 2.41*10^24. - Meaning 128 grams of sulfer.
Im sure this information may not be as clear as you would like it to be. If you have skype please feel free to contact me at rich.howell3 - My only instant messenger. I would be happy to explain in more detail if you need
Im sure this information may not be as clear as you would like it to be. If you have skype please feel free to contact me at rich.howell3 - My only instant messenger. I would be happy to explain in more detail if you need