bendover86
bendover86 bendover86
  • 05-02-2021
  • Chemistry
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How many molecules are in 84.0 g of C5H5N

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nix46 nix46
  • 05-02-2021
To solve this you want to divide 84.0g by the molar mass of C5H5N. To find the molar mass of it you add the molar masses of each one like this: 5(M of C) + 5(M of H) + (M of N). Then you mulitply the number you get from the division by 6.022 * 10^23. That will be the number of molecules
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