CHEMISTRY SEMESTER B FINAL
EXAM REVIEW EXAM BRAND NEW
ACTUAL EXAM WITH ANSWERS.
The pH of a solution is 10. What is its OH- concentration? -
correct answer -1.00 x 10-4 M
In a acid-base tiration, equivalent quantities of hydronium ions
and hydroxide ions are present - correct answer -at the
equivalency point
Consider the reaction HNO2 + H2O -> H3O+ + NO2. Which
species is a conjugate base? - correct answer -NO2
Acids taste - correct answer -sour
What is the molarity of an HCl solution if 50.0 mL is neutralized in
a titration by 40.0 mL of 0.400M NaOH? - correct answer -0.320M
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What is the pH of a neutral solution? - correct answer -7
The pH of a solution is 9. What is its H3O+ concentration? -
correct answer -1 x 10-9 M
What is the pH of a 1 x 10-4 M HCl solution? - correct answer -4
If [H3O+] = 1.70 x 10-3 M, what is the pH of the solution? - correct
answer -2.77
What atoms follow the Duet role? - correct answer -Li and Na
What type of bonding takes place between N and F? - correct
answer -covalent
How many electrons is an octet? - correct answer -8