Molar Mass of C₁₂H₂₂O₁₁
Sucrose (table sugar). A disaccharide formed from one glucose and one fructose, losing one water molecule.
Molar mass of C12H22O11
342.297 g/mol
12 × 12.011 + 22 × 1.008 + 11 × 15.999 = 342.297
Calculation, element by element
| Element | Atoms | Atomic mass (g/mol) | Subtotal | Mass % |
|---|---|---|---|---|
| Carbon (C) | 12 | 12.011 | 144.132 | 42.11% |
| Hydrogen (H) | 22 | 1.008 | 22.176 | 6.48% |
| Oxygen (O) | 11 | 15.999 | 175.989 | 51.41% |
| Total | 342.297 | 100% |
= 0.029214 mol = 1.7593 × 1022 formula units
C₁₂H₂₂O₁₁ molar mass FAQ
What is the molar mass of sucrose (C₁₂H₂₂O₁₁)?
342.297 g/mol. It is the sum of the atomic masses of every atom in the formula: 12 × 12.011 + 22 × 1.008 + 11 × 15.999 = 342.297 g/mol.
How many grams are in one mole of C₁₂H₂₂O₁₁?
342.297 g. Molar mass is the mass of one mole (6.022 × 10²³ formula units), so 1 mol of C₁₂H₂₂O₁₁ weighs 342.297 g and 0.5 mol weighs 171.149 g.
How many moles are in 10 g of C₁₂H₂₂O₁₁?
10 g ÷ 342.297 g/mol = 0.02921 mol.
What is the percent composition of C₁₂H₂₂O₁₁?
Carbon 42.11%, Hydrogen 6.48%, Oxygen 51.41%.
Is molecular weight the same as molar mass for C₁₂H₂₂O₁₁?
Numerically yes: the molecular (or formula) weight is 342.297 u per formula unit, and the molar mass is 342.297 g/mol.
Molar masses of other common compounds
H2O WaterNaCl Sodium chlorideNaOH Sodium hydroxideC6H12O6 GlucoseCO2 Carbon dioxideHCl Hydrochloric acidH2SO4 Sulfuric acidO2 Oxygen gasCaCO3 Calcium carbonateC2H5OH EthanolNH3 AmmoniaN2 Nitrogen gasCH4 MethaneCuSO4 Copper(II) sulfateKMnO4 Potassium permanganateMgCl2 Magnesium chlorideCuSO4·5H2O Copper(II) sulfate pentahydrateNaHCO3 Sodium bicarbonateNa2CO3 Sodium carbonateKCl Potassium chlorideHNO3 Nitric acidH3PO4 Phosphoric acidCH3COOH Acetic acidH2O2 Hydrogen peroxideCa(OH)2 Calcium hydroxideFe2O3 Iron(III) oxideAl2O3 Aluminium oxideAgNO3 Silver nitrateNH4NO3 Ammonium nitrateC8H10N4O2 CaffeineC9H8O4 AspirinC3H8 PropaneC8H18 OctaneH2 Hydrogen gasCl2 Chlorine gasO3 OzoneCO Carbon monoxideSO2 Sulfur dioxideKOH Potassium hydroxideMgO Magnesium oxideCaCl2 Calcium chlorideNaNO3 Sodium nitrateK2Cr2O7 Potassium dichromateBaSO4 Barium sulfate