user:mcooper6:chemistry [Lab46 Wiki]

user:mcooper6:chemistry

Table of Contents

Common Polyatomic Ions by Charge
Solubility Rules for Ionic Compounds
Common Strong Acids and Bases

~~TOC~~

Chemistry Resources

Ions & Elements & Compounds, Oh My!

Elements & Compounds that may, or may not improve and/or destroy your day

Common Polyatomic Ions by Charge

2+	1+	1-	2-	3-
Mercurous ⇒ Ag₂	Ammonium ⇒ NH₄	Cyanide ⇒ CN	Carbonite ⇒ CO₃	Phosphate ⇒ PO₄
		Hydrogen Carbonite ⇒ HCO₃	Oxalate ⇒ C₂O₄
		Acetate ⇒ C₂H₃O₂	Chromate ⇒ CrO₄
		Hypochlorate ⇒ ClO	Dichromate ⇒ Cr₂O₄
		Chlorite ⇒ ClO₂	Peroxide ⇒ O₂
		Chlorate ⇒ ClO₃	Monohydrogen Phosphate ⇒ HPO₄
		Perchlorate ⇒ ClO₄	Sulfite ⇒ SO₃
		Permanganate ⇒ MnO₄	Sulfate ⇒ SO₄
		Nitrite ⇒ NO₂	Thiosulfate ⇒ S₂O₃
		Nitrate ⇒ NO₃
		Hydroxide ⇒ OH
		Dihydrogen phosphate ⇒ H₂PO₄
		Hydrogen Sulfite ⇒ HSO₃
		Hydrogen Sulfate ⇒ HSO₄

Solubility Rules for Ionic Compounds

Applies To	Rule	Exceptions
Li⁺, Na⁺, K⁺, NH₄⁺	Group IA elements and ammonium compounds are soluble	-
C₂H₃O₂, NO₃	Acetates and nitrates are soluble	-
Cl^-, Br^-, I^-	Most chlorides, bromides, and iodides are soluble	AgCl, Hg₂Cl₂, PbCl₂, AgBr, HgBr₂, Hg₂Br₂, PbBr₂, AgI, HgI₂, PbI₂
SO₄^2-	Most sulfates are soluble	CaSO₄, SrSO₄, BaSO₄, Ag₂SO₄, HgSO₄, PbSO₄
CO₃	Most carbonates are insoluble	Group IA carbonates, (NH₄)₂CO₃
PO₄^3-	Most phosphates are insoluble	Group IA phosphates, (NH₄)₂PO₄
S^2-	Most sulfides are insoluble	Group IA sulfides, (NH₄)₂S
OH^-	Most hydroxides are insoluble	Group IA hydroxides, Ca(OH)₂, Sr(OH)₂, Ba(OH)₂

Common Strong Acids and Bases

Acids	Bases
Perchloric acid ⇒ HClO₄	Lithium Hydroxide ⇒ LiOH
Sulferic acid ⇒ H₂SO₄	Sodium Hydroxide ⇒ NaOH
Hydroiodic Acid ⇒ HI	Potassium Hydroxide ⇒ KOH
Hydrobromic Acid ⇒ HBr	Calcium Hydroxide ⇒ Ca(OH)₂
Hydrochloric Acid ⇒ HCl	Sr(OH)₂
Nitric Acid ⇒ HNO₃	Barium Hydroxide ⇒ Ba(OH)₂

user/mcooper6/chemistry.txt · Last modified: 2011/11/01 20:21 by mcooper6