Chemical Compound Formulas

Chemical formulae provide a way to represent any chemical substance using the symbol of the elements present in it. Provided below is a list of the chemical formulas of some common chemical compounds (along with their molecular weights).

Compound name Molecular weight Molecular formula
1 Acetic acid 60.052 g/mol CH3COOH
2 Hydrochloric acid 36.458 g/mol HCl
3 Sulfuric acid ‎98.072 g/mol H2SO4
4 Acetate 59.044 g/mol CH3COO
5 Ammonia 17.031 g/mol NH3
6 Nitric acid 63.012 g/mol HNO3
7 Phosphoric acid 97.994 g/mol H3PO4
8 Sodium phosphate 119.976 g/mol Na3PO4
9 Calcium carbonate 100.086 g/mol CaCO3
10 Ammonium sulfate 132.134 g/mol (NH4)2SO4
11 Carbonic acid 62.024 g/mol H2CO3
12 Sodium bicarbonate 84.0066 g/mol NaHCO3
13 Sodium hydroxide 39.997 g/mol NaOH
14 Calcium hydroxide 74.092 g/mol Ca(OH)2
15 Ethanol 46.069 g/mol C2H5OH
16 Hydrobromic acid 80.912 g/mol HBr
17 Nitrous acid ‎47.013 g/mol HNO2
18 Potassium hydroxide 56.11 g/mol KOH
19 Silver nitrate 169.872 g/mol AgNO3
20 Sodium carbonate 105.988 g/mol Na2CO3
21 Sodium chloride 58.44 g/mol NaCl
22 Cellulose 162.1406 g/mol (C6H10O5)n
23 Magnesium hydroxide 58.319 g/mol Mg(OH)2
24 Methane 16.043 g/mol CH4
25 Nitrogen dioxide 30.006 g/mol NO2
26 Sodium nitrate 84.994 g/mol NaNO3
27 Sulfurous acid 82.073 g/mol H2SO3
28 Aluminium sulfate 342.15 g/mol Al2(SO4)3
29 Aluminum oxide 101.96 g/mol Al2O3
30 Ammonium nitrate 80.043 g/mol NH4NO3
31 Ammonium phosphate 132.056 g/mol (NH4)3PO4
32 Barium hydroxide 171.341 g/mol Ba(OH)2
33 Carbon tetrachloride 153.811 g/mol CCl4
34 Citric acid 192.123 g/mol C6H8O7
35 Hydrocyanic acid ‎27.026 g/mol HCN
36 Salicylic Acid 138.121 g/mol C7H6O3
37 Hydroiodic acid 127.91 g/mol HI
38 Hypochlorous acid 52.457 g/mol HClO
39 Iron iii oxide 159.687 g/mol Fe2O3
40 Magnesium phosphate 262.855 g/mol Mg3(PO4)2
41 Sodium acetate 82.0343 g/mol C2H3NaO2
42 Sodium sulfate ‎142.036 g/mol Na2SO4
43 Sucrose 342.2965 g/mol C12H22O11
44 Potassium nitrate 101.102 g/mol KNO3
45 Ammonium bicarbonate 96.086 g/mol NH4HCO3
46 Ammonium chloride 53.489 g/mol NH4Cl
47 Ammonium hydroxide 35.046 g/mol NH4OH
48 Calcium nitrate 164.088 g/mol Ca(NO3)2
49 Calcium oxide 56.0774 g/mol CaO
50 Carbon monoxide 28.01 g/mol CO
51 Chlorine gas 70.9 g/mol Cl2
53 Phenol 94.11 g/mol C6H6O
54 Hydrogen peroxide 34.0147 g/mol H2O2
55 Hydroxide 17.007 g/mol OH
56 Magnesium chloride 95.211 g/mol MgCl2
57 Potassium chloride 74.5513 g/mol KCl
58 Potassium iodide 166.0028 g/mol KI
59 Sulfur dioxide 64.066 g/mol SO2
60 Glycerin 92.09 g/mol C3H8O3
61 Barium nitrate 261.337 g/mol Ba(NO3)2
62 Calcium acetate 158.17 g/mol C4H6O4Ca
63 Iron oxide 159.69 g/mol Fe2O3
64 Potassium carbonate 138.205 g/mol K2CO3
65 Silver chloride ‎143.318 g/mol AgCl
66 Sodium iodide 149.894 g/mol NaI
67 Sodium oxide 61.9789 g/mol Na2O
68 Sodium sulfide 78.0452 g/mol Na2S
69 Zinc nitrate 189.388 g/mol Zn(NO3)2
70 Phenolphthalein 318.32 g/mol C20H14O4
71 Magnesium nitrate 148.313 g/mol Mg(NO3)2
72 Silicon dioxide 60.083 g/mol SiO2
73 Acetone 58.08 g/mol C3H6O
74 Hydroquinone 110.11 g/mol C6H6O2
75 Pyridine 79.1 g/mol C5H5N
76 Ammonium acetate 77.083 g/mol C2H3O2NH4
77 Xylene 106.16 g/mol C8H10
78 Barium sulfate 233.38 g/mol BaSO4
79 Benzene 78.11 g/mol C6H6
80 Bicarbonate 61.016 g/mol CHO3
81 Chromate 15.992 g/mol CrO42-
82 Methyl Ethyl Ketone 72.107 g/mol C4H8O
83 Cyanide 26.02 g/mol CN
84 Trichloroacetic acid 163.38 g/mol C2HCl3O2
85 Magnesium sulfate 120.361 g/mol MgSO4
86 Methanol 32.04 g/mol CH3OH
87 Oxygen Atomic mass 15.999 g/mol O
88 Methylene blue 319.85 g/mol C16H18ClN3S
89 Sodium sulfite 126.043 g/mol Na2SO3
90 Sulfur trioxide 80.057 g/mol SO3
91 Aluminum phosphate 121.951 g/mol AlPO4
92 Stearic acid 284.484 g/mol C18H36O2
93 Dinitrogen monoxide 44.013 g/mol N2O
94 Titanium dioxide 233.38 g/mol TiO2
95 Acetonitrile 41.053 g/mol C2H3N
96 Oxalic acid 90.03 g/mol H2C2O4
97 Potassium dichromate 294.185 g/mol K2Cr2O7
98 Sodium bromide 102.894 g/mol NaBr
99 Sodium hypochlorite 74.439 g/mol NaClO
100 Zinc acetate 183.48 g/mol Zn(CH3COO)2(H2O)2
101 Zinc chloride 136.286 g/mol ZnCl2
102 Zinc hydroxide 99.424 g/mol Zn(OH)2
103 Magnesium carbonate 84.313 g/mol MgCO3
104 Potassium chlorate 122.545 g/mol KClO3
105 Hydrazine 32.0452 g/mol N2H4
106 Ascorbic acid 176.12 g/mol C6H8O6
107 Benzoic acid 122.12 g/mol C7H6O2
108 Resorcinol 110.1 g/mol C6H6O2
109 Chlorine ‎70.9 g/mol Cl2
110 Maleic acid 116.072 g/mol C4H4O4
111 Sodium metabisulfite 190.107 g/mol Na2S2O5
112 Acetamide 59.068 g/mol C2H5NO
113 Sodium silicate 122.062 g/mol (Na2O)x·SiO2
114 Nitrite 46.005 g/mol NO2
115 Phosphate 94.9714 g/mol PO43-
116 Dichloromethane 84.93 g/mol CH2Cl2
117 Carbon Disulfide 76.13 g/mol CS2
118 Potassium chromate 194.189 g/mol CrK2O4
119 Zinc sulfate 161.436 g/mol ZnSO4
120 Iodine Atomic mass 126.90 g/mol I
121 Tannic acid 1701.19 g/mol C76H52O46
122 Aluminum 26.982 g/mol Al
123 Perchloric acid 100.46 g/mol HClO4
124 Hypochlorite 51.449 g/mol ClO
125 Potassium Bromide 119.002 g/mol KBr
126 Chromic acid 118.01 g/mol H2CrO4
127 Dihydrogen monoxide 18.01528 g/mol OH2
128 Methyl acetate 74.079 g/mol C3H6O2
129 Dimethyl sulfoxide 78.13 g/mol C2H6OS
130 Hexane 86.18 g/mol C6H14
131 Eugenol 164.2 g/mol C10H12O2
132 Manganese dioxide 86.9368 g/mol MnO2
133 Lactic acid 90.078 g/mol C3H6O3
134 Sodium potassium tartrate 282.1 g/mol C4H4O6KNa·4H2O
135 Hexamine 140.186 g/mol C6H12N4
136 Lithium hydroxide 23.95 g/mol LiOH
137 Phosphorus pentachloride 208.24 g/mol PCl5
138 Potassium oxide 94.2 g/mol K2O
139 Monopotassium phosphate 136.084 g/mol KH2PO4
140 Silver acetate 166.91 g/mol AgC2H3O2
141 Sodium citrate 258.06 g/mol Na3C6H5O7
142 Sodium fluoride 41.98817 g/mol NaF
143 Sodium nitrite 68.9953 g/mol NaNO2
144 Sulfate ion 96.06 g/mol SO42−
145 Barium carbonate 197.34 g/mol BaCO3
146 Calcium iodide 293.887 g/mol CaI2
147 Hydrogen sulfate 97.064 g/mol HSO4
148 Lithium oxide 29.88 g/mol Li2O
149 Dimethylglyoxime 116.12 g/mol C4H8N2O2
150 Potassium Permanganate 158.034 g/mol KMnO4
151 Silver phosphate 418.58 g/mol Ag3PO4
152 Ammonium bromide 97.943 g/mol NH4Br
153 Calcium phosphate 310.18 g/mol Ca3(PO4)2
154 Dichromate 294.185 g/mol K2Cr2O7
155 Aluminum sulfide 150.158 g/mol Al2S3
156 Ammonium carbonate 96.086 g/mol (NH4)2CO3
157 Barium chloride 208.23 g/mol BaCl2
158 Nitrogen monoxide 30.006 g/mol NO
159 Fructose 180.16 g/mol C6H12O6
160 Magnesium iodide 278.1139 g/mol MgI2
161 Magnesium sulfide 56.38 g/mol MgS
162 Ozone 48 g/mol O3
163 Potassium cyanide 65.12 g/mol KCN
164 Silver oxide 231.735 g/mol Ag2O
165 Sodium chromate 161.97 g/mol Na2CrO4
166 Sodium peroxide 77.98 g/mol Na2O2
167 Toluene 92.14 g/mol C7H8
168 Zinc carbonate 125.388 g/mol ZnCO3
169 Zinc phosphate 386.11 g/mol Zn3(PO4)2
170 Zinc sulfide 97.474 g/mol ZnS
171 Para dichlorobenzene 147.01 g/mol C6H4Cl2
172 Boric acid 61.83 g/mol H3BO3
173 Oxalate ‎88.018 g/mol C2O42−
174 Potassium bicarbonate 100.114 g/mol KHCO3
175 Potassium hypochlorite 90.55 g/mol KClO
176 Potassium nitrite 85.103 g/mol KNO2
177 Bromothymol Blue 624.384 g/mol C27H28Br2O5S
178 Ammonium iodide 144.94 g/mol NH4I
179 Ammonium nitrite 64.06 g/mol NH4NO2
180 Ammonium oxide 52.0763 g/mol (NH4)2O
181 Argon gas 39.948 g/mol Ar
182 Barium bromide 297.14 g/mol BaBr2
183 Barium iodide 391.136 g/mol BaI2
184 Bromate 127.901 g/mol BrO3
185 Dinitrogen trioxide 76.01 g/mol N2O3
186 Ethylene glycol 62.07 g/mol C2H6O2
187 Nickel sulfate 154.75 g/mol NiSO4
188 Helium atomic mass ‎4.002602 u He
189 Iodide 253.809 g/mol I
190 Lead ii acetate ‎325.29 g/mol Pb(C2H3O2)2
191 Lithium chloride 42.394 g/mol LiCl
192 Phosphate ion 94.9714 g/mol PO43-
193 Potassium fluoride 58.0967 g/mol KF
194 Potassium sulfite 158.26 g/mol K2SO3
195 Silver carbonate 275.7453 g/mol Ag2CO3
196 Sodium cyanide 49.0072 g/mol NaCN
197 Sodium nitride 82.976 g/mol Na3N
198 Strontium chloride 158.52 g/mol SrCl2
199 Strontium nitrate 211.628 g/mol Sr(NO3)2
200 Urea ‎60.056 g/mol CH4N2O
201 Bleach ‎74.439 g/mol NaClO
202 Lithium bromide 86.844 g/mol LiBr
203 Aluminum fluoride 83.9767 g/mol AlF3
204 Barium fluoride 175.34 g/mol BaF2
205 Butanoic acid 88.11 g/mol C4H8O2
206 Calcium hydride 42.094 g/mol CaH2
207 Copper ii carbonate 123.55 g/mol CuCO3
208 Fluorine 18.998403 u F
209 Lithium phosphate 115.79 g/mol Li3PO4
210 Glycerol 92.09382 g/mol C3H8O3
211 Hypobromous acid 96.911 g/mol HBrO
212 Hypoiodous acid 143.89 g/mol HIO
213 Lead iodide 461.01 g/mol PbI2
214 Lithium iodide 133.844 g/mol LiI
215 Magnesium oxide 40.3044 g/mol MgO
216 Urethane 89.09 g/mol  C3H7NO2
217 Nickel nitrate 182.703 g/mol Ni(NO3)2
218 Sodium dichromate 261.97 g/mol Na2Cr2O7
219 Tartaric acid 150.087 g/mol C4H6O6
220 Zinc iodide 319.22 g/mol ZnI2
221 Bromine 54.9380 g/mol Br
222 Aluminum bromide 266.69 g/mol AlBr3
223 Sodium Percarbonate 157.01 g/mol C2H6Na4O12
224 Nickel acetate 178.797 g/mol C4H6O4Ni
225 Sodium Thiosulfate 158.11 g/mol Na2S2O3
226 Acetaldehyde 44.05 g/mol C2H4O
227 Copper sulfate 159.609 g/mol CuSO4
228 Mannitol 182.172 g/mol C6H14O6
229 Calcium Chloride 110.98 g/mol CaCl2
230 Monosodium Glutamate 169.111 g/mol C5H8NO4Na
231 Polystyrene 104.1 g/mol (C8H8)n
232 Calcium Carbide 64.099 g/mol CaC2
233 Tetrachloroethylene 165.83 g/mol C2Cl4
234 Sodium Chlorate 106.44 g/mol NaClO3
235 Potassium Iodate 214.001 g/mol KIO3
236 Lead Acetate 325.29 g/mol Pb(C2H3O2)2
237 Potassium Thiocyanate 97.181 g/mol KSCN
238 Butane 58.12 g/mol C4H10
239 Maltose 342.3 g/mol C12H22O11
240 Polyurethane Foam 548.589 g/mol C27H36N2O10
241 Formaldehyde 30.031 g/mol CH2O
242 Formic Acid 46.03 g/mol HCOOH
243 Sulfur Hexafluoride 146.06 g/mol SF6
244 Phosphorus Trichloride 137.33 g/mol PCl3
245 Ethane 30.07 g/mol C2H6
246 Dinitrogen Pentoxide 30.07 g/mol N2O5
247 Phosphorous Acid 82 g/mol H3PO3
248 Potassium Ferrocyanide 368.35 g/mol K4Fe(CN)6
249 Xenon Difluoride 169.29 g/mol XeF2
250 Diatomic Bromine 159.808 g/mol Br2
251 Phenyl 77.106 g/mol C6H5
252 Phosphorus Triiodide 411.6872 g/mol PI3
253 Peroxydisulfuric Acid 194.14 g/mol H2S2O8
254 Dipotassium Phosphate 174.2 g/mol K2HPO4
255 Aluminium hydroxide 78.00 g/mol Al(OH)3
256 Ammonium persulfate 228.18 g/mol (NH4)2S2O8
257 Sodium borate 201.22 g/mol Na2[B4O5(OH)4]·8H2O
258 Chloroacetic acid 94.49 g/mol C2H3O2Cl
259 Potassium acetate 98.142 g/mol CH3CO2K
260 Barium oxide 153.326 g/mol BaO
261 Copper(I) Oxide 143.09 g/mol Cu2O
262 Copper Hydroxide 97.561 g/mol Cu(OH)2
263 Tin Oxide 97.561 g/mol SnO2
264 Chlorine Trifluoride 92.448 g/mol ClF3
265 Ethylene 28.054 g/mol C2H4
266 Acetylene 26.038 g/mol C2H2
267 Chromic Oxide 151.9904 g/mol Cr2O3
268 Sodium bisulfate 120.06 g/mol NaHSO4
269 Copper (II) chloride 134.45 g/mol CuCl2
270 Mercuric chloride 271.52 g/mol HgCl2
271 Tin (II) chloride 189.60 g/mol SnCl2
272 Propane 44.097 g/mol C3H8
273 Lead (IV) oxide 239.1988 g/mol PbO2

Recommended Videos

To learn about the different types of reactions check out the reference links given below. Reference links:

Displacement reaction
Synthesis reaction
Decomposition reaction

 

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