1. HSO 4 ? is the conjugate _____of H 2 SO 4 and the conjugate _____of SO...
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Question:
1. HSO4? is the conjugate _____of H2SO4 and the conjugate _____of SO42?
acid / acid |
acid / base |
base / acid |
base / base |
2. If [H3O+] in an aqueous solution is 7.6× 10-9 M, what is the concentration of[OH-]? Hint: [H3O+][OH-] = 1 x 10-14
7.6 × 10-23 M. |
6.4 × 10-5 M. |
1.3 × 10+8 M. |
7.6 × 10-9 M. |
1.3 × 10-6 M. |
3. Which of the following solutions is a buffer? Hint:a buffer must contain a conjugate acid/base pair.
a solution of hydrochloric acid and sodium acetate |
a solution of acetic acid and sodium acetate |
a solution of acetic acid and sodium sulfate |
a solution of hydrochloric acid and sodium sulfate |
a solution of sulfuric acid and sodium sulfate |
4. Calculate the molarity of anHCl solution if 50.0 mL of a 0.150 M NaOHsolution is required to titrate 10.0 mL of the HClsolution? Hint: M1V1 =M2V2
0.750 M |
0.600 M |
0.0300 M |
0.150 M |
7.50 M |
Related Book For
Income Tax Fundamentals 2013
ISBN: 9781285586618
31st Edition
Authors: Gerald E. Whittenburg, Martha Altus Buller, Steven L Gill
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