Molar mass of adrenaline (C₉H₁₃NO₃)

The molar mass of adrenaline (C₉H₁₃NO₃) is 183.207 g/mol, summed from the IUPAC standard atomic weights of C x 9, H x 13, N, O x 3.

Mass of sample

Amount of substance

mol

Molar mass

183.207g/mol

= Exact Molar mass of adrenaline

Moles in the sample mass: 0.054 583 067 mol
Mass of that amount of substance: 183.207
Molecules in the sample mass: 3.28707e+22

Show the working

Mass of sample = 10
Amount of substance = 1
Molar mass = 12.011*9 + 1.008*13 + 14.007 + 15.999*3 = 183.207
Moles in the sample mass = 10 / 183.207 = 0.054 583 1
Mass of that amount of substance = 1 * 183.207 = 183.207
Molecules in the sample mass = 0.054 583 1 * NA = 3.28707e+22

Values are shown to six significant figures here; the arithmetic itself runs on exact fractions and is only rounded where a number is printed.

Scenarios & local history

Compare a saved scenario

Recent calculations

The formula

Molar mass = sum over elements of (atomic weight x number of atoms)
For C₉H₁₃NO₃: 12.011 x 9 + 1.008 x 13 + 14.007 + 15.999 x 3 = 183.207 g/mol
Moles = mass / molar mass; mass = moles x molar mass
Molecules = moles x 6.02214076 x 10^23 (the Avogadro constant, exact by definition)

Molar mass in grams per mole is numerically equal to the molecular mass in daltons, so this figure doubles as the molecular weight.

Atomic weights are the IUPAC 2021 standard values. Several elements have a range rather than a single value because isotope ratios vary between sources; the conventional single value is used here.

Composition by mass

Element	Atoms	Atomic weight	Contribution (g/mol)	Share of mass
Carbon (C)	9	12.011	108.099	59.004 %
Oxygen (O)	3	15.999	47.997	26.198 %
Nitrogen (N)	1	14.007	14.007	7.6455 %
Hydrogen (H)	13	1.008	13.104	7.1526 %

Contributions add to the molar mass of 183.207 g/mol. Atomic weights are the IUPAC 2021 standard values.

Frequently asked

What is the molar mass of adrenaline?

183.207 g/mol, for the formula C₉H₁₃NO₃.

How do you convert grams of adrenaline to moles?

Divide the mass in grams by 183.207 g/mol. One gram of adrenaline is 0.00545831 mol.

How many grams are in one mole of adrenaline?

183.207 g, by definition of the molar mass.

Is molar mass the same as molecular weight?

Numerically yes, for the purposes of this calculation. Molecular weight is a dimensionless ratio and molar mass carries units of g/mol, but the digits are identical.

Where the numbers come from

IUPAC 2021 standard atomic weights; Avogadro constant fixed by the 2019 SI.