A 31.5 mL aliquot of HNO3 (aq) of unknown concentration was ...

[LaDunn]

A 31.5 mL aliquot of HNO3 (aq) of unknown concentration was titrated with 0.0134 M NaOH (aq). It took 23.9 mL of the base to reach the endpoint of the titration. The concentration (M) of the acid was ________.
 
  A) 0.0102
  B) 0.0051
  C) 0.0204
  D) 0.227
  E) 1.02

Question 2

How many grams of copper will be plated out by a current of 2.3 A applied for 35 minutes to a 0.50 M solution of copper (II) sulfate?
 
  A) 1.6
  B) 3.2
  C) 1.8  10-2
  D) 3.6  10-2
  E) 0.019

[cpetit11]

Answer to Question 1

A

Answer to Question 2

A

[LaDunn]

Thanks for the timely response, appreciate it

[nguyenhoanhat]

Great answer, keep it coming