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Author Question: A sample of potassium chlorate (15.0 g) is dissolved in 201 g of water at 70 C, with precautions ... (Read 58 times)

tsand2

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A sample of potassium chlorate (15.0 g) is dissolved in 201 g of water at 70 C, with precautions taken to avoid evaporation of any water. The solution is cooled to 30.0 C and no precipitate is observed. This solution is ________.
 
  A) hydrated
  B) miscible
  C) saturated
  D) unsaturated
  E) supersaturated

Question 2

A fixed amount of gas at 25.0 C occupies a volume of 8.66 L when the pressure is 629 torr. Use Charles's law to calculate the volume (L) the gas will occupy when the temperature is increased to 112 C while maintaining the pressure at 629 torr.
 
  A) 9.26
  B) 11.2
  C) 1.93
  D) 6.70
  E) 38.8


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Shshxj

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tsand2

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Reply 2 on: Aug 27, 2018
:D TYSM


juliaf

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

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