Snead State Chem 104 Final Exam; Questions and Answers 100% Solved
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Course
Chem 104
Institution
Chem 104
Snead State Chem 104 Final Exam; Questions
and Answers 100% Solved
Consider two beakers, one containing 1.0 M HCl and the other containing 1.0 M CH3COOH.
Which solution would have the lowest ph? Correct answer-1.0 M Hcl because its solution
contains a higher hydronium concentration
Sodium h...
Snead State Chem 104 Final Exam; Questions
and Answers 100% Solved
Consider two beakers, one containing 1.0 M HCl and the other containing 1.0 M CH3COOH.
Which solution would have the lowest ph? Correct answer-1.0 M Hcl because its solution
contains a higher hydronium concentration
Sodium hydroxate can react with phosphoric acid in a neutralization reaction. What is the
reacting ratio? Correct answer-3:1
Which of the following correctly describes what is meant by the term neutralization?
Correct answer-the reaction between an acid and a base to form a salt and water
A solution containing a buffer has an initial ph of 8.78. If a student adds 5 drops of HCL to this
solution, what would be a reasonable ph for the resulting solution? Correct answer-8.64
An aqueous solution with a low ph is necessary for a certain industrial process. Which of the
following solutions would have the lowest ph? Correct answer-1.0 M HCl
A solution containing a buffer has an initial ph of 8.78 If a student adds 5 drops of of NaOh to
this solution, what would be a reasonable ph for the resulting solution? Correct answer-
8.89
The species that remains after an acid donates a proton is called its conjugate base. What is the
conjugate base of a hydronium ion, H3O+? Correct answer-H2O
Choose the best classification of the reaction represented by the following equation:
What is the hydronium concentration of pure water at 25 degrees celcius? Correct
answer-1.0 x 10^-7 M
, Snead State Chem 104 Final Exam; Questions
and Answers 100% Solved
What is the (OH-) of a solution that has a ph=10.95? Correct answer-8.9 x 10^-4 M
Morphine is used medicinally as a pain reliever. If an aqueous solution of morphine has
(H30+)=1.1x10^-10M, what is the ph of this solution? Correct answer-9.96
What is the pH of a 0.035 M HCl solution? Correct answer-1.46
What is the hydronium ion concentration of of a solution with ph 6.0? Correct answer-
1x10^-6 M
A sample of black coffee was measured to have [H3O+] = 7.94 × 10−6. What is true about this
solution? Correct answer-The solution is acidic
What is the conjugate acid of NH2-? Correct answer-NH3
Which of the following statements concerning acids and bases is FALSE? Correct answer-
Addition of a base to water increases the hydronium ion concentration of the solution
The reaction of an acid with a base produces a salt and another product. What is the identity of
the other product? Correct answer-water
Which of the following compounds is NOT considered a polyprotic acid? Correct answer-
CH3COOH
Which statement correctly describes what is happening in the reaction shown below: 2Mg(s) +
S2(g) -> MgS(s) Correct answer-Mg is oxidized
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