A stock solution of HNO3 is prepared and found to contain 13.5 M ...

[asan beg]

A stock solution of HNO3 is prepared and found to contain 13.5 M of HNO3. If 25.0 mL of the stock solution is diluted to a final volume of 0.500 L, the concentration of the diluted solution is ________ M.
 
  A) 0.270
  B) 1.48
  C) 0.675
  D) 675
  E) 270

Question 2

The maximum number of electrons in any orbital is ________.
 
  A) 1
  B) 2
  C) 3
  D) 4
  E) 5

[yasmina]

Answer to Question 1

C

Answer to Question 2

B