H2C2O3N5D9U8NI7S4P5F7B3W6I9K4Y9Si9Sg9Sg10Sg999 molar mass

Molar Mass, Molecular Weight and Elemental Composition Calculator

Molar mass of H₂C₂O₃N₅D₉U₈NI₇S₄P₅F₇B₃W₆I₉K₄Y₉Si₉Sg₉Sg₁₀Sg₉₉₉ is 282885.6838 g/mol

Convert between H₂C₂O₃N₅D₉U₈NI₇S₄P₅F₇B₃W₆I₉K₄Y₉Si₉Sg₉Sg₁₀Sg₉₉₉ weight and moles

Compound	Moles		Weight, g
H₂C₂O₃N₅D₉U₈NI₇S₄P₅F₇B₃W₆I₉K₄Y₉Si₉Sg₉Sg₁₀Sg₉₉₉

Elemental composition of H₂C₂O₃N₅D₉U₈NI₇S₄P₅F₇B₃W₆I₉K₄Y₉Si₉Sg₉Sg₁₀Sg₉₉₉

Element	Symbol	Atomic weight	Atoms	Mass percent
Hydrogen	H	1.00794	2	0.0007
Carbon	C	12.0107	2	0.0085
Oxygen	O	15.9994	3	0.0170
Nitrogen	N	14.0067	6	0.0297
Uranium	U	238.02891	8	0.6731
Iodine	I	126.90447	16	0.7178
Sulfur	S	32.065	4	0.0453
Phosphorus	P	30.973762	5	0.0547
Fluorine	F	18.9984032	7	0.0470
Boron	B	10.811	3	0.0115
Tungsten	W	183.84	6	0.3899
Potassium	K	39.0983	4	0.0553
Yttrium	Y	88.90585	9	0.2829
Silicon	Si	28.0855	9	0.0894
Seaborgium	Sg	271.1335	1018	97.5708
Hydrogen	D	2.0141017778	9	0.0064

Computing molar mass step by step
First, compute the number of each atom in H₂C₂O₃N₅D₉U₈NI₇S₄P₅F₇B₃W₆I₉K₄Y₉Si₉Sg₉Sg₁₀Sg₉₉₉: H: 2, C: 2, O: 3, N: 6, U: 8, I: 16, S: 4, P: 5, F: 7, B: 3, W: 6, K: 4, Y: 9, Si: 9, Sg: 1018, D: 9 Then, lookup atomic weights for each element in periodic table: H: 1.00794, C: 12.0107, O: 15.9994, N: 14.0067, U: 238.02891, I: 126.90447, S: 32.065, P: 30.973762, F: 18.9984032, B: 10.811, W: 183.84, K: 39.0983, Y: 88.90585, Si: 28.0855, Sg: 271.13347, D: 2.0141017778 Now, compute the sum of products of number of atoms to the atomic weight: Molar mass (H₂C₂O₃N₅D₉U₈NI₇S₄P₅F₇B₃W₆I₉K₄Y₉Si₉Sg₉Sg₁₀Sg₉₉₉) = ∑ Count_i * Weight_i = Count(H) * Weight(H) + Count(C) * Weight(C) + Count(O) * Weight(O) + Count(N) * Weight(N) + Count(U) * Weight(U) + Count(I) * Weight(I) + Count(S) * Weight(S) + Count(P) * Weight(P) + Count(F) * Weight(F) + Count(B) * Weight(B) + Count(W) * Weight(W) + Count(K) * Weight(K) + Count(Y) * Weight(Y) + Count(Si) * Weight(Si) + Count(Sg) * Weight(Sg) + Count(D) * Weight(D) = 2 * 1.00794 + 2 * 12.0107 + 3 * 15.9994 + 6 * 14.0067 + 8 * 238.02891 + 16 * 126.90447 + 4 * 32.065 + 5 * 30.973762 + 7 * 18.9984032 + 3 * 10.811 + 6 * 183.84 + 4 * 39.0983 + 9 * 88.90585 + 9 * 28.0855 + 1018 * 271.13347 + 9 * 2.0141017778 = 282885.6838 g/mol

Mass percent composition	Atomic percent composition

Formula in Hill system is C₂H₂B₃F₇D₉I₁₆K₄N₆O₃P₅S₄Sg₁₀₁₈Si₉U₈W₆Y₉

Computing molar mass (molar weight)

To calculate molar mass of a chemical compound enter its formula and click 'Compute'. In chemical formula you may use:

Any chemical element. Capitalize the first letter in chemical symbol and use lower case for the remaining letters: Ca, Fe, Mg, Mn, S, O, H, C, N, Na, K, Cl, Al.
Functional groups: D, T, Ph, Me, Et, Bu, AcAc, For, Tos, Bz, TMS, tBu, Bzl, Bn, Dmg
parenthesis () or brackets [].
Common compound names.

Examples of molar mass computations: NaCl, Ca(OH)2, K4[Fe(CN)6], CuSO4*5H2O, nitric acid, potassium permanganate, ethanol, fructose, caffeine, water.

Molar mass calculator also displays common compound name, Hill formula, elemental composition, mass percent composition, atomic percent compositions and allows to convert from weight to number of moles and vice versa.

Computing molecular weight (molecular mass)

To calculate molecular weight of a chemical compound enter it's formula, specify its isotope mass number after each element in square brackets.
Examples of molecular weight computations: C[14]O[16]2, S[34]O[16]2.

Definitions

Molecular mass (molecular weight) is the mass of one molecule of a substance and is expressed in the unified atomic mass units (u). (1 u is equal to 1/12 the mass of one atom of carbon-12)
Molar mass (molar weight) is the mass of one mole of a substance and is expressed in g/mol.
Mole is a standard scientific unit for measuring large quantities of very small entities such as atoms and molecules. One mole contains exactly 6.022 ×10²³ particles (Avogadro's number)

Steps to calculate molar mass

Identify the compound: write down the chemical formula of the compound. For example, water is H₂O, meaning it contains two hydrogen atoms and one oxygen atom.
Find atomic masses: look up the atomic masses of each element present in the compound. The atomic mass is usually found on the periodic table and is given in atomic mass units (amu).
Calculate molar mass of each element: multiply the atomic mass of each element by the number of atoms of that element in the compound.
Add them together: add the results from step 3 to get the total molar mass of the compound.

Example: calculating molar mass

Let's calculate the molar mass of carbon dioxide (CO₂):

Carbon (C) has an atomic mass of about 12.01 amu.
Oxygen (O) has an atomic mass of about 16.00 amu.
CO₂ has one carbon atom and two oxygen atoms.
The molar mass of carbon dioxide is 12.01 + (2 × 16.00) = 44.01 g/mol.

Lesson on computing molar mass

Weights of atoms and isotopes are from NIST article.

molecular weights calculated today

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