![]() ![]() Please let us know how we can improve this web app. Related: Molecular weights of amino acids View this answer View this answer View this answer done loading. Then the percent abundance of in silver (100 - 51.82) 48.18. Weights of atoms and isotopes are from NIST article. Average atomic mass of silver 107.868 amu, Percent abundance of in silver 51.82. Molar mass ( molar weight) is the mass of one mole of a substance and is expressed in g/mol.(1 u is equal to 1/12 the mass of one atom of carbon-12) Molecular mass ( molecular weight) is the mass of one molecule of a substance and is expressed in the unified atomic mass units (u).To calculate molecular weight of a chemical compound enter it's formula, specify its isotope mass number after each element in square brackets.Įxamples of molecular weight computations:ĭefinitions of molecular mass, molecular weight, molar mass and molar weight 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.Ĭomputing molecular weight (molecular mass) A 12.3849 g sample of iodine is accidentally contaminated with 1.0007 g of I-129, a. The fractional abundance of the lighter of the two isotopes is A) 0.51835 E) 0.48168 D) 0.24221 B) 075783 C) 0. Example 10: Naturally occurring iodine has an atomic mass of 126.9045. Functional groups: D, Ph, Me, Et, Bu, AcAc, For, Ts, Tos, Bz, TMS, tBu, Bzl, Bn, Dmg Question: 43) Silver has two naturally occurring isotopes with the following isotopic masses: 107 47 107 Ar Ar 9 108.9047 The average atomic mass of silver is 107 8682 amu.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. ![]() Computing molar mass (molar weight)To calculate molar mass of a chemical compound enter its formula and click 'Compute'. ![]()
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