The process of adding controlled amounts of impurity atoms to a ...

[Marty]

The process of adding controlled amounts of impurity atoms to a material is known as ________.
 
  Fill in the blank(s) with correct word

Question 2

The acid-dissociation constants of sulfurous acid (H2SO3 ) are Ka1 = 1.7  10-2 and Ka2 = 6.4  10-8 at 25.0 C. Calculate the pH of a 0.163 M aqueous solution of sulfurous acid.
 
  A) 4.53
  B) 1.28
  C) 1.86
  D) 6.21
  E) 1.93

[ngr69]

Answer to Question 1

doping

Answer to Question 2

B