anonymous
  • anonymous
the molar mass of water (H2O) is 18.0 g/mol. A sample of water has a mass of 18.0. How many moles of water are contained in this sample? A. 1.00 B. 18.0 C. 36.0 D. 324
Chemistry
schrodinger
  • schrodinger
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Vocaloid
  • Vocaloid
molar mass = grams/moles re-arranging gives us moles = grams/molar mass
anonymous
  • anonymous
i just want an answer
Vocaloid
  • Vocaloid
giving direct answers is against the rules http://openstudy.com/code-of-conduct since we know that moles = mass/molar mass, we can plug in the mass and the molar mass to find the number of moles

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anonymous
  • anonymous
1.00?
Vocaloid
  • Vocaloid
yes, good job!

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