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If a sample of potassium hydrogen phthalate (KHP) has a mass of 2.345 g, how many moles of KHP does this sample contain?

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peacemonk

Answer:

0.011 mol

Explanation:

  • [tex]KHP[/tex] has a molar mass of 204.22 g/mol
  • How many moles are there in 2.345g?

[tex]1 \text{ mol} \rightarrow 204.22g\\x \text{ mol} \rightarrow 2.345\\204.22x = 2.345\\x = 0.011 \text{ mol}[/tex]

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