Al2K3Y2SB5W7Th19Ar16I78Ag6Ni7Cu20O450000000000000000000000 molar mass

Molar Mass, Molecular Weight and Elemental Composition Calculator

Molar mass of Al₂K₃Y₂SB₅W₇Th₁₉Ar₁₆I₇₈Ag₆Ni₇Cu₂₀O_{450000000000000000000000} is 147568418566454312960.0000 g/mol

Convert between Al₂K₃Y₂SB₅W₇Th₁₉Ar₁₆I₇₈Ag₆Ni₇Cu₂₀O_{450000000000000000000000} weight and moles

Compound	Moles		Weight, g
Al₂K₃Y₂SB₅W₇Th₁₉Ar₁₆I₇₈Ag₆Ni₇Cu₂₀O_{450000000000000000000000}

Elemental composition of Al₂K₃Y₂SB₅W₇Th₁₉Ar₁₆I₇₈Ag₆Ni₇Cu₂₀O_{450000000000000000000000}

Element	Symbol	Atomic weight	Atoms	Mass percent
Aluminum	Al	26.9815386	2	0.0000
Potassium	K	39.0983	3	0.0000
Yttrium	Y	88.90585	2	0.0000
Sulfur	S	32.065	1	0.0000
Boron	B	10.811	5	0.0000
Tungsten	W	183.84	7	0.0000
Thorium	Th	232.03806	19	0.0000
Argon	Ar	39.948	16	0.0000
Iodine	I	126.90447	78	0.0000
Silver	Ag	107.8682	6	0.0000
Nickel	Ni	58.6934	7	0.0000
Copper	Cu	63.546	20	0.0000
Oxygen	O	15.9994	9223372036854775807	100.0000

Computing molar mass step by step
First, compute the number of each atom in Al₂K₃Y₂SB₅W₇Th₁₉Ar₁₆I₇₈Ag₆Ni₇Cu₂₀O_{450000000000000000000000}: Al: 2, K: 3, Y: 2, S: 1, B: 5, W: 7, Th: 19, Ar: 16, I: 78, Ag: 6, Ni: 7, Cu: 20, O: 9223372036854775807 Then, lookup atomic weights for each element in periodic table: Al: 26.9815386, K: 39.0983, Y: 88.90585, S: 32.065, B: 10.811, W: 183.84, Th: 232.03806, Ar: 39.948, I: 126.90447, Ag: 107.8682, Ni: 58.6934, Cu: 63.546, O: 15.9994 Now, compute the sum of products of number of atoms to the atomic weight: Molar mass (Al₂K₃Y₂SB₅W₇Th₁₉Ar₁₆I₇₈Ag₆Ni₇Cu₂₀O_{450000000000000000000000}) = ∑ Count_i * Weight_i = Count(Al) * Weight(Al) + Count(K) * Weight(K) + Count(Y) * Weight(Y) + Count(S) * Weight(S) + Count(B) * Weight(B) + Count(W) * Weight(W) + Count(Th) * Weight(Th) + Count(Ar) * Weight(Ar) + Count(I) * Weight(I) + Count(Ag) * Weight(Ag) + Count(Ni) * Weight(Ni) + Count(Cu) * Weight(Cu) + Count(O) * Weight(O) = 2 * 26.9815386 + 3 * 39.0983 + 2 * 88.90585 + 1 * 32.065 + 5 * 10.811 + 7 * 183.84 + 19 * 232.03806 + 16 * 39.948 + 78 * 126.90447 + 6 * 107.8682 + 7 * 58.6934 + 20 * 63.546 + 9223372036854775807 * 15.9994 = 147568418566454312960.0000 g/mol

Mass percent composition	Atomic percent composition

Formula in Hill system is Ag₆Al₂Ar₁₆B₅Cu₂₀I₇₈K₃Ni₇O_{9223372036854775807}STh₁₉W₇Y₂

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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