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Author Question: A sample of potassium nitrate (49.0 g) is dissolved in 101 g of water at 100 C, with precautions ... (Read 58 times)

neverstopbelieb

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on: Aug 27, 2018
A sample of potassium nitrate (49.0 g) is dissolved in 101 g of water at 100 C, with precautions taken to avoid evaporation of any water. The solution is cooled to 30.0 C and a small amount of precipitate is observed. This solution is ________.
 
  A) hydrated
  B) placated
  C) saturated
  D) unsaturated
  E) supersaturated

Question 2

Which one of the following compounds contains the smallest percent oxygen by mass?
 
  A) CO2
  B) N2O4
  C) P4O10
  D) SO2


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cpetit11

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Reply #1 on: Aug 27, 2018
Answer to Question 1

C

Answer to Question 2

D


neverstopbelieb

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Reply 2 on: Aug 27, 2018
Gracias!

jackie

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Reply 3 on: Yesterday
Excellent

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