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Author Question: A titration reached the equivalence point when 16.1 mL of 0.209 M H2SO4 (aq) was added to 12.0 mL of ... (Read 317 times)

WWatsford

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on: Aug 27, 2018
A titration reached the equivalence point when 16.1 mL of 0.209 M H2SO4 (aq) was added to 12.0 mL of NaOH (aq) of unknown concentration. What is the concentration (M) of this unknown NaOH solution?
 
  A) 0.561
  B) 80.8
  C) 0.280
  D) 0.140
  E) 3.21

Question 2

How many grams of XeF6 are required to react with 0.579 L of hydrogen gas at 2.46 atm and 45C in the reaction shown below? XeF6(s) + 3 H2(g)  Xe(g) + 6 HF(g)
 
  A) 3.65 g
  B) 4.46 g
  C) 13.4 g
  D) 40.2 g

Question 3

Based on electron configuration, which is most likely colorless?
 
  A) Cu(NH3)42+
  B) Cd(NH3)42+
  C) Ni(NH3)62+
  D) Cr(NH3)5Cl2+
  E) Co(NH3)62+

Question 4

What is the term for the pseudoscience that attempted to discover a universal cure for disease and a magic elixir for immortality?
 
  A) alchemy
  B) biochemistry
  C) inorganic chemistry
  D) organic chemistry
  E) none of the above


robbielu01

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

A

Answer to Question 2

B

Answer to Question 3

B

Answer to Question 4

A


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WWatsford

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Reply #2 on: Aug 27, 2018
TY


robbielu01

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Reply #3 on: Aug 27, 2018
You're welcome


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