STRAIGHTERLINE CHEM 101 GENERAL CHEMISTRY GRADED EXAM 2 - APRIL 2022
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Module
CHEM 101
Institution
CHEM 101
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• CHEM101_MH_V4
• Topic 6: Quantum Theory
Started on Friday, April 15, 2022, 7:28 PM
State Finished
Completed on Friday, April 15, 2022, 7:50 PM
Time taken 21 mins 36 secs
Grade 115.00 out of 115.00 (100%)
Question 1
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straighterline chem 101 general chemistry graded exam 2 april 2022
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CHEM101_MH_V4
Topic 6: Quantum Theory
Started on Friday, April 15, 2022, 7:28 PM
State Finished
Completed on Friday, April 15, 2022, 7:50 PM
Time taken 21 mins 36 secs
Grade 115.00 out of 115.00 (100%)
Question 1
Correct
4.60 points out of 4.60
Flag question
Question text
A 0.8838-g sample of an ionic compound containing bromide ions and an unknown metal cation is dissolved
in water and treated with an excess of AgNO3. If 1.573 g of a AgBr precipitate forms, what is the percent by
mass of Br in the original compound?
Select one:
a. 62.13%
, b. 75.72%
c. 56.19%
d. 42.55%
e. 37.87%
Question 2
Correct
4.60 points out of 4.60
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Question text
Based on the solubility rules, which one of these compounds is soluble in water?
Select one:
a. CaSO4
b. BaSO4
c. PbSO4
d. K2SO4
e. Ag2SO4
Question 3
Correct
4.60 points out of 4.60
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Question text
Which of the following is a weak acid?
Select one:
a. H2SO4
b. HNO3
c. HF
d. HBr
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