salts

toe · 11 Apr 2004, 8:22 PM

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ive been told that acid + base gives salt and water. if so can som1 tell me if its the same for ammonium nitrate poduction from HNO3 and NH3

**CM_Tutor** · 11 Apr 2004, 11:01 PM

Acid + Base ---> Salt + Water

is a useful general rule, but don't get too attached to it, as it isn't that useful when you are using Lowry-Bronsted definitions of acids and bases. In the case of ammonium nitrate formation, you can look at the reaction as a Lowry-Bronsted acid-base reaction, with the transfer of a proton from the acid (HNO₃) to the base (NH₃), forming (respectively) their conjugate base and conjugate acid. ie:

HNO_{3 (aq)} + NH_{3 (aq)} ---> NO₃^-_(aq) + NH₄⁺_(aq)

This is an example of the general reaction:

acid_1 + base_1 ---> conjugate base of acid_1 + conjugate acid of base_1

toe · 12 Apr 2004, 9:14 AM

oh ok
i get you
thanx for the help

11 Apr 2004, 8:22 PM	#1 (permalink)
toe New Member Join Date: Apr 2004 Posts: 6 Last Activity: 19 Aug 2004, 9:15 AM	salts You can hide this advertisement by registering. ive been told that acid + base gives salt and water. if so can som1 tell me if its the same for ammonium nitrate poduction from HNO3 and NH3

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11 Apr 2004, 11:01 PM	#2 (permalink)
CM_Tutor Teacher Join Date: Mar 2004 Posts: 1,293 Last Activity: 22 Oct 2004, 12:23 AM	Acid + Base ---> Salt + Water is a useful general rule, but don't get too attached to it, as it isn't that useful when you are using Lowry-Bronsted definitions of acids and bases. In the case of ammonium nitrate formation, you can look at the reaction as a Lowry-Bronsted acid-base reaction, with the transfer of a proton from the acid (HNO₃) to the base (NH₃), forming (respectively) their conjugate base and conjugate acid. ie: HNO_{3 (aq)} + NH_{3 (aq)} ---> NO₃^-_(aq) + NH₄⁺_(aq) This is an example of the general reaction: acid_1 + base_1 ---> conjugate base of acid_1 + conjugate acid of base_1

12 Apr 2004, 9:14 AM	#3 (permalink)
toe New Member Join Date: Apr 2004 Posts: 6 Last Activity: 19 Aug 2004, 9:15 AM	oh ok i get you thanx for the help