Portage Learning CHEM 104 Module 2 Exam

Portage Learning CHEM 104 Module 2 Exam 4 4 4 2 4 3 3 4 Portage Learning CHEM 104 Module 2 Exam Question 1 Identify each of the compounds below as ACID, BASE or SALT on the basis of their formula and explain your answer. (1) Cr(OH)3 (2) HAsO4 (3) CoCO3 Your Answer: 1. base - contains Cr metal + OH polyatomic group 2. acid - contains H + polyatomic group (AsO4) 3. salt - contains Co metal + polyatomic group (CO3) Question 2 For the Brønsted -Lowry acid base reactions shown below, list the stronger acid, stronger base, weaker acid and weaker base in the answer blanks provided: NH + + H PO - NH + H PO Stronger acid: Stronger base: Weaker acid: Weaker base: Your Answer: Stronger acid: H3PO4 Stronger base: NH3 Weaker acid: NH + Weaker base: H2PO -