The concentration of species in 500 mL of a 2.104 M solution of ...

[gbarreiro]

The concentration of species in 500 mL of a 2.104 M solution of sodium sulfate is ________ M sodium ion and ________ M sulfate ion.
 
  A) 2.104, 1.052
  B) 2.104, 2.104
  C) 2.104, 4.208
  D) 1.052, 1.052
  E) 4.208, 2.104

Question 2

The electron configuration Kr4d10 represents ________.
 
  A) Ag+
  B) Cd
  C) Cd+
  D) Ag2+
  E) Sr2+

Question 3

You bike 50 km. Though tired, you feel great because your brain has synthesized some
 
  A) amphetamine.
  B) endorphins.
  C) glucose.
  D) morphine.

[Dunkey]

Answer to Question 1

E

Answer to Question 2

A

Answer to Question 3

B

[gbarreiro]

Both answers were spot on, thank you once again

[Dunkey]

Great! Please up vote