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Atomic Mass Of Phosphorus

Atomic Mass Of Phosphorus 31

In the modern periodic table, the elements are listed in order of increasing atomic number. The atomic number is the number of protons in the nucleus of an atom. The number of protons define the identity of an element (i.e., an element with 6 protons is a carbon atom, no matter how many neutrons may be present).

Molar Mass, Molecular Weight and Elemental Composition Calculator

Molar mass of phosphorus is 30.9737620 ± 0.0000020 g/mol Compound name is phosphorus Convert between P weight and moles

CompoundMolesWeight, gP

Elemental composition of P

ElementSymbolAtomic weightAtomsMass percentPhosphorusP30.9737621100.0000

Mass percent compositionAtomic percent composition

Sample reactions for P

EquationReaction typeP + O2 = P2O5synthesisP + O2 = P4O10synthesisRb + P = Rb3PsynthesisP + Cl2 = PCl3synthesisP + O2 = P2O3synthesis

Formula in Hill system is P

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, Ph, Me, Et, Bu, AcAc, For, Ts, Tos, Bz, TMS, tBu, Bzl, Bn, Dmg

parantesis () or brackets ().

Common compound names.

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

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.

Weights of atoms and isotopes are from NIST article. Give us feedback about your experience with Molecular Weight Calculator. Related: Molecular weights of amino acids molecular weights calculated today

What is the average atomic mass of this element? Isotope Mass (amu) Percent Abundance Phosphorus-29 29 5% Phosphorus-31 31 71% Phosphorus-32 32 24%.

Phosphorus-32 atom is the radioactive isotope of phosphorus with relative atomic mass 31.973907 and half-life of 14.26 days.

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Atomic Mass Of Phosphorus 31

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