Fall 07 HW12 solution

Fall 07 HW12 solution - Homework Assignment #11 Name_...

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Homework Assignment #11 Name____________________________ Laboratory Section (circle one) MW1.30 MW6.30 TTh7 1. Chapter 18, Problems 3, 5, 8, 16, 18, 24, 26, 28, 32, 37, 44, 46 18.3 It is limited by the fact that it only classified substances as an acid or base when dissolved in the single solvent water. The anhydrous neutralization of NH 3 ( g ) and HCl( g ) would not be included in the Arrhenius acid/base concept. In addition, it limited a base to a substance that contains OH in its formula. NH 3 does not contain OH in its formula but produces OH - ions in H 2 O. 18.5 a) Water, H 2 O, is an Arrhenius acid because it produces H 3 O + ion in aqueous solution. Water is also an Arrhenius base because it produces the OH - ion as well. b) Calcium hydroxide, Ca(OH) 2 is a base, not an acid. c) Phosphoric acid, H 3 PO 4 , is a weak Arrhenius acid . It is weak because the number of O atoms exceeds the ionizable H atoms by 1. d) Hydroiodic acid, HI, is a strong
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This note was uploaded on 02/12/2008 for the course CHEM 400 taught by Professor Gupta during the Fall '07 term at American River.

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Fall 07 HW12 solution - Homework Assignment #11 Name_...

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