Calculate the hydrogen ion concentration in a solution with pH = ...

[mikaylakyoung]

Calculate the hydrogen ion concentration in a solution with pH = 6.35.
 
  A) 7.65 M
  B) 6.35 M
  C) 4.5  10-7 M
  D) 0.80 M
  E) 2.2  10-8 M

Question 2

Enzymes function as catalysts by
 
  A) changing the value of the free energy change to a more favorable value.
  B) changing the value of the equilibrium constant to a more favorable value.
  C) lowering the value of the activation energy.
  D) increasing the amount of time needed to reach equilibrium.
  E) becoming one of the reactants.

[alvinum]

Answer to Question 1

C

Answer to Question 2

C

[mikaylakyoung]

Gracias!

[AmberC1996]

Thanks for the timely response, appreciate it