![]() ![]() Type in unit symbols, abbreviations, or full names for units of length, area, mass, pressure, and other types. You can find metric conversion tables for SI units, as well as English units, currency, and other data. This conversion is important for chemical reactions, stoichiometry calculations, and understanding the relationship between the amount of a substance and its mass. Using the chemical formula of the compound and the periodic table of elements, we can add up the atomic weights and calculate molecular weight of the substance.Ĭ provides an online conversion calculator for all types of measurement units. A Moles to Mass Calculator is a tool used in chemistry to convert the quantity of moles of a substance to its corresponding mass in grams. The percentage by weight of any atom or group of atoms in a compound can be computed by dividing the total weight of the atom (or group of atoms) in the formula by the formula weight and multiplying by 100. If the formula used in calculating molar mass is the molecular formula, the formula weight computed is the molecular weight. This site explains how to find molar mass. The reason is that the molar mass of the substance affects the conversion. To complete this calculation, you have to know what substance you are trying to convert. These relative weights computed from the chemical equation are sometimes called equation weights.Ī common request on this site is to convert grams to moles. For bulk stoichiometric calculations, we are usually determining molar mass, which may also be called standard atomic weight or average atomic mass.įormula weights are especially useful in determining the relative weights of reagents and products in a chemical reaction. This is not the same as molecular mass, which is the mass of a single molecule of well-defined isotopes. This is how to calculate molar mass (average molecular weight), which is based on isotropically weighted averages. The atomic weights used on this site come from NIST, the National Institute of Standards and Technology. The formula weight is simply the weight in atomic mass units of all the atoms in a given formula. When calculating molecular weight of a chemical compound, it tells us how many grams are in one mole of that substance. In chemistry, the formula weight is a quantity computed by multiplying the atomic weight (in atomic mass units) of each element in a chemical formula by the number of atoms of that element present in the formula, then adding all of these products together.įinding molar mass starts with units of grams per mole (g/mol). Moles In to grams, or enter other units to convert below: Enter two units to convert From: By following the standard notation, you can avoid ambiguity in parsing and obtain accurate results.You can do the reverse unit conversion from For example, C2H5OH for ethanol, H2O for water, or Na2SO4 for sodium sulfate. ![]() ![]() nanoliter, microliter, milliliter, liter. It is important to ensure that the chemical formula is entered correctly using standard notation. femtomolar, picomolar, nanomolar, micromolar, millimolar, molar. The result table includes the element symbol, atomic mass, multiplier (indicating the number of atoms of each element in the formula), and the calculated result. In addition to the molar mass, the calculator also provides a result table with detailed information on the individual elements in the formula. It then calculates the molar mass by adding up the atomic weights of all the elements in the substance. The calculator utilizes the periodic table of elements to determine the atomic weights of the elements present in the formula. To use the calculator, simply input the chemical formula of the substance and click the "Calculate" button. Molar mass is the mass of one mole of a substance and is expressed in grams per mole. The Molar Mass Calculator is a tool used to calculate the molar mass of a substance based on its chemical formula. ![]()
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