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Author Question: How many d electrons are in the cobalt ion of K3Co(CN)6? A) 3 B) 5 C) 6 D) 7 E) ... (Read 52 times)

geoffrey

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on: Aug 27, 2018
How many d electrons are in the cobalt ion of K3Co(CN)6?
 
  A) 3
  B) 5
  C) 6
  D) 7
  E) 4

Question 2

A solution contains 30 ppm of benzene. The density of the solution is 1.00 g/mL. This means that ________.
 
  A) there are 30 mg of benzene in 1.0 L of this solution
  B) 100 g of the solution contains 30 g of benzene
  C) 100 g of the solution contains 30 mg of benzene
  D) the solution is 30 by mass of benzene
  E) the molarity of the solution is 30 M


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taylorsonier

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

C

Answer to Question 2

A


geoffrey

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Reply #2 on: Aug 27, 2018
TY


taylorsonier

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


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