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Portage Learning CHEM 104 Module 2 Exam
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Portage Learning CHEM 104 Module 2 Exam
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By: j_may2 • 4 months ago
By: brightkid • 4 months ago
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Portage Learning CHEM 104 Module 2 Exam, 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:
NH4+ + H2PO4- NH3 + H 3PO 4
Stronger acid:
Stronger base:
Weaker acid:
Weaker base:
Your Answer:
Stronger acid: H3PO4
Stronger base: NH3
Weaker acid: NH +
4
Weaker base: H2PO4-
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