#Atomic mass unit calculator free#

One unified atomic mass unit is approximately the mass of one nucleon (either a single proton or neutron) and is numerically equivalent to 1 g/mol. X Research source This means Ag-109 has two more neutrons per atom than Ag-107, giving it slightly more mass. One atomic mass unit is equal: 1u 1.66 x 10 -24 grams. X Research source Isotopes are named after the 'mass number,' or the sum of protons and neutrons in one atom. For example, the element silver (Ag) has two naturally occurring isotopes: Ag-107 and Ag-109 (or 107Ag and 109Ag).The average atomic mass of the element takes the variations of the number of neutrons into account, and tells you the average mass per atom in a typical sample of that element.It can be converted into kilo-grams kg by multiplying the atomic mass in grams by 0.001. It can be expressed as: amu 1.66 × 10 24 g By multiplying the atomic mass in a m u by ( 1.66 × 10 24), the calculator converts the atomic mass into grams. X Research source However, the element always has the same number of protons. One atomic mass unit is equal to ( 1.66 × 10 24) grams. Molarity or molar concentration of a solution is the number of moles of solute dissolved in one liter of solution.

#Atomic mass unit calculator free#

Any mass defect due to nuclear binding energy is experimentally a small fraction (less than 1) of the mass of an equal number of free nucleons. Dalton or the unified atomic mass unit is the standard unit that is used for indicating mass on an atomic or molecular scale. The ratio of atomic mass to mass number (number of nucleons) varies from 0.9(51) for 56 Fe to 1.007 825 031 898(14) for 1 H.

It is defined to be 1/12 of the mass of one atom of carbon-12 and in older works is also abbreviated as 'amu'. In related terms, another unit of mass often used is Dalton (Da) or unified atomic mass unit (u) when describing atomic masses and molecular masses. 1 u is equal to 3.66×10-27 lb Metric Ton (t) 1. Type the number of Atomic mass unit (u) you want to convert in the text box, to see the results in the table. It is defined to be 1/12 of the mass of one atom of carbon-12. X Research source The only difference between two isotopes of the same element is the number of neutrons per atom, which affects the atom's mass. Select parameter of solution that you want to calculate. Molecular mass or molar mass are used in stoichiometry calculations in chemistry. The unified atomic mass unit (u), or dalton (Da), is a small unit of mass used to express atomic and molecular masses. The mass number for each isotope is the sum of numbers of protons and neutrons in the nucleus. Most elements can naturally occur in multiple forms, or isotopes.