![]() ![]() Mol number of target substance (solute) in 1L of solution. It is used in JIS and others.Įxample: Sodium chloride (1 19) →Dissolved in 19 weight of water with respect to 1 of NaCl. Weights of atoms and isotopes are from NIST article. (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. It is used in JIS and others.Įxample: Sulfuric acid (1 2) → Sulfuric acid is shown diluted with 2 volumes of water.Ĭoncentration indirectly expressed by weight ratio at which solid reagent is dissolved. Molecular mass ( molecular weight) is the mass of one molecule of a substance and is expressed in the unified atomic mass units (u). Expressed as N for capacity analysis.Ĭoncentration indirectly expressed by the volume ratio of diluting the liquid reagent. Gram equivalent number of solute in 1L solution. Weight versus volume percent concentration Expressed as v/v% when mixture or solute is liquid. Expressed as w/w%, wt%, and % for density in many cases.
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