Molecular weight is also referred to as formula weight and, in fact, many scientists prefer to use the latter. Note that V is the final or total volume of solution after the solute has been added to the solvent. V is volume of solution in liters (L) in which the indicated mass ( m) of solute must be dissolved to make the desired molar concentration ( C).m is the mass (i.e., weight) of solute in grams (g) that must be dissolved in volume V of solution to make the desired molar concentration ( C).Using SI prefixes, the concentration may also be expressed in different fractions of the molar concentration such as mmol/L (mM), μmol/L (μM), nmol/L (nM), pmol/L (pM), etc. A 1 M solution is one in which exactly 1 mole of solute is dissolved in a total solution volume of exactly 1 L. Molarity is defined as the number of moles of solute dissolved per liter of solution (mol/L = M). This is also referred to as molarity, which is the most common method of expressing the concentration of a solute in a solution. C is the molar concentration in mol/L (Molar or M).
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