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6. –/2 points 0/5 submissions Notes 7. 12/12 points 5/5 submissions Notes f) NaC 2 H 3 O 2 + H 3 PO 4 H3PO4 H3PO4 + C2H3O2^1- C2H3O2^1- <-> H2PO4^1- H2PO4^1- + HC2H3O2 HC2H3O2 Acid Base Arrow Conj. Base Conj. Acid g) HClO 4 + NaH 2 PO 4 H3O^1+ H3O^1+ + H2PO4^1- H2PO4^1- <-> H2O H2O + H3PO4 H3PO4 Acid Base Arrow Conj. Base Conj. Acid Use the acid-base table to determine the pK a of the weak acid H 2 PO 4 1- . Express your answer to two decimal places. pK a = (No Response) 7.21 No marks will be shown for this question. Indicate which solution in each pair has the lower pH. A B lower pH 0.1 M HClO 2 0.2 M HClO 2 B 0.1 M NaClO 2 0.2M NaClO 2 A 0.1 M HNO A
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12/17/09 9:34 PM CH 101s - HW 12 Page 6 of 6 0.1 M HF 0.1 M HNO 2 A 0.1 M NaOH water B
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