Ascorbic Acid is written C₆H₈O₆. With school atomic masses the molar mass is 176 g/mol. Ascorbic acid (vitamin C) is a water-soluble reducing agent and antioxidant.
H₂O
WaterNH₃
AmmoniaCO₂
Carbon DioxideH₂O₂
Hydrogen PeroxideSO₂
Sulfur DioxideNO₂
Nitrogen DioxideHCl
Hydrochloric AcidH₂SO₄
Sulfuric AcidHNO₃
Nitric AcidCH₄
MethaneC₂H₆
EthaneC₃H₈
PropaneC₄H₁₀
ButaneC₂H₄
EthyleneC₂H₂
AcetyleneC₆H₆
BenzeneC₇H₈
TolueneC₁₀H₈
NaphthaleneC₆H₁₂
CyclohexaneCH₃OH
MethanolC₂H₅OH
EthanolCH₃COOH
Acetic AcidHCHO
FormaldehydeCH₃COCH₃
AcetoneC₄H₁₀O
Diethyl EtherC₂H₇N
EthylamineC₂H₅NO
AcetamideC₆H₁₂O₆
GlucoseC₆H₁₂O₆
FructoseC₁₂H₂₂O₁₁
SucroseCO(NH₂)₂
UreaC₂₇H₄₆O
CholesterolC₉H₈O₄
AspirinC₈H₉NO₂
AcetaminophenC₁₃H₁₈O₂
IbuprofenC₈H₁₀N₄O₂
CaffeineC₆H₆N₂O
NicotinamideC₆H₈O₆
Ascorbic AcidC₁₆H₁₈N₂O₄S
Penicillin GC₂H₆O₂
Ethylene GlycolC₈H₈
StyreneC₂H₃Cl
Vinyl ChlorideC₃H₅NO
AcrylamideC₆H₁₁NO
CaprolactamLiCl
Lithium chlorideNa₂O
Sodium oxideNaCl
Sodium chlorideMgF₂
Magnesium fluorideAlCl₃
Aluminum chlorideCaO
Calcium oxideCaC₂
Calcium carbideKNO₃
Potassium nitrateMg₃(PO₄)₂
Magnesium phosphateAl₂(SO₄)₃
Aluminum sulfateMg(OH)₂
Magnesium hydroxideNH₄Cl
Ammonium chlorideNH₄OH
Ammonium hydroxideCuO
Copper(II) oxideCu₂O
Copper(I) oxideFeSO₄
Iron(II) sulfateFe₂(SO₄)₃
Iron(III) sulfatePbCO₃
Lead(II) carbonateMgO
Magnesium oxideAl₂S₃
Aluminum sulfideLiF
Lithium fluoride(NH₄)₂S
Ammonium sulfideKF
Potassium fluorideNiCl₂
Nickel(II) chlorideKCN
Potassium cyanideCH₃COONa
Sodium acetateCaCO₃
Calcium carbonateNa₃P
Sodium phosphideBeBr₂
Beryllium bromideFeO
Iron(II) oxideHg₂Cl₂
Mercury(I) chlorideHg(NO₃)₂
Mercury(II) nitrateCH₃COOCu
Copper(I) acetateSiO₂
Silicon dioxideP₄O₁₀
Tetraphosphorus decaoxideN₂O₅
Dinitrogen pentoxideCO
Carbon monoxideHF
Hydrogen fluoridePCl₅
Phosphorus pentachlorideCF₄
Carbon tetrafluorideSF₆
Sulfur hexafluorideNBr₃
Nitrogen tribromideN₂O
Dinitrogen monoxideN₂O₃
Dinitrogen trioxideCS₂
Carbon disulfideCl₂O₇
Dichlorine heptoxideBF₃
Boron trifluorideCCl₄
Carbon tetrachlorideSO₃
Sulfur trioxideSiCl₄
Silicon tetrachlorideP₂S₅
Diphosphorus pentasulfideBCl₃
Boron trichloridePBr₃
Phosphorus tribromideCBr₄
Carbon tetrabromideNF₃
Nitrogen trifluorideOF₂
Oxygen difluorideNCl₃
Nitrogen trichlorideH₂S
Hydrogen sulfidePH₃
PhosphineBeCl₂
Beryllium chlorideHCN
Hydrogen cyanideClF₃
Chlorine trifluorideXeF₂
Xenon difluorideAscorbic acid (vitamin C) is a water-soluble reducing agent and antioxidant. It is required for collagen biosynthesis and supports normal connective tissue function.
Properties
Molar mass
176.12 g/mol
Melting point
190 °C (decomposes)
pKa₁
4.17
pKa₂
11.57
Daily requirement
75–90 mg (adult)
Uses
Nutritional supplementation · Food antioxidant additive · Support of iron absorption
Fun Fact
Humans cannot synthesize vitamin C and must obtain it from diet or supplements.
Molar mass calculation
Masses given in the question come first. When none are given, school values put the total at 176 g/mol.
+
+
= 176 g/mol
C₆H₈O₆
C₃H₄O₃
The empirical formula is C₃H₄O₃. The molecular formula is a whole-number multiple of that ratio.
Open in the molar mass calculatorThe same count with periodic-table atomic masses gives 176.124 g/mol.
| Element | Atom count | Contribution (g/mol) | Mass % |
|---|---|---|---|
| Carbon (C) | 6 | 72.066 | 40.9 |
| Hydrogen (H) | 8 | 8.064 | 4.6 |
| Oxygen (O) | 6 | 95.994 | 54.5 |
| Total | 176.124 | 100 |
Common questions
What is ascorbic Acid?
Ascorbic acid (vitamin C) is a water-soluble reducing agent and antioxidant. It is required for collagen biosynthesis and supports normal connective tissue function.
What is the formula of ascorbic Acid?
Ascorbic Acid is written C₆H₈O₆. The empirical formula is C₃H₄O₃.
What is the molar mass of ascorbic Acid?
Ascorbic Acid has a molar mass of 176.124 g/mol from the atomic masses on the periodic table. With school atomic masses the total is 176 g/mol, counting 6 carbon, 8 hydrogen and 6 oxygen.
What is ascorbic Acid used for?
Ascorbic Acid is used for nutritional supplementation, food antioxidant additive and support of iron absorption.