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    Chemical Principles Study Set 1
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    Exam 12: Acids and Bases
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    If PK<sub>a1</sub> and PK<sub>a2</sub> for H<sub>2</sub>CO<sub>3</sub> Are 6
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If PKa1 and PKa2 for H2CO3 Are 6

Question 25

Question 25

Multiple Choice

If pKa1 and pKa2 for H2CO3 are 6.37 and 10.25,respectively,calculate the equilibrium constant for the reaction below: H2CO3(aq) + 2H2O(l) ↔ 2H3O+(aq) + CO32-(aq)


A) 4.1 * 10-11
B) 4.3 * 10-7
C) 5.6 *10-11
D) 2.3 * 10-8
E) 2.4 * 10-17

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