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Author Question: What is the molar mass of Co(NO3)2? A) 90 g/mol B) 121 g/mol C) 152 g/mol D) 183 ... (Read 156 times)

crazycityslicker

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What is the molar mass of Co(NO3)2?
 
  A) 90 g/mol
  B) 121 g/mol
  C) 152 g/mol
  D) 183 g/mol

Question 2

The standard cell potential (Ecell) of the reaction below is +1.34 V. The value of G for the reaction is ________ kJ/mol. 3 Cu (s) + 2 MnO4- (aq) + 8H+ (aq)  3 Cu2+ (aq) + 2 MnO2 (s) + 4 H2O (l)
 
  A) -24.3
  B) +259
  C) -259
  D) +776
  E) 776

Question 3

If 50.75 g of a gas occupies 10.0 L at STP, 129.3 g of the gas will occupy ________ L at STP.
 
  A) 3.92
  B) 50.8
  C) 12.9
  D) 25.5
  E) 5.08



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macagn

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Answer to Question 1

D

Answer to Question 2

E

Answer to Question 3

D




macagn

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