Oxalic acid is a diprotic acid. If a solid material contains ...

[renzo156]

Oxalic acid is a diprotic acid. If a solid material contains 53.66 percent of oxalic acid (H2C2O4 ), by mass, then a 0.6543-g sample of that solid will require ________ mL of 0.3483 M NaOH for neutralization.
 
  A) 11.19
  B) 97.78
  C) 28.59
  D) 1.119
  E) 22.39

Question 2

Which component of air is the primary problem in a condition known as the bends?
 
  A) O2
  B) CO2
  C) He
  D) N2
  E) CO

[Pamela.irrgang@yahoo.com]

Answer to Question 1

E

Answer to Question 2

D