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solution for hw 2 - Chem 211 Solutions to WebCT Homework 1...

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Chem 211 Solutions to WebCT Homework 1. Weak Acids and bases The pH of 0.015 M BH + is 5.50. Find pK b for the weak base, B. BH + U B + H + 82 . 4 pK 14 pK 17 . 9 pK 10 6 . 6 K 015 . 0 ) 10 162 . 3 ( C x K x know we thus and pH the know we , But C x x C x ] BH [ ] H ][ B [ K a b 6 a 10 67 a 2 6 BH 2 a BH 2 BH 2 a = = = × = × = = = = = + + + + +
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