Question

How are parts by mass and parts by volume used in calculations?a parts by mass/volume concentration is the ratio of the mass/volume of the to the mass/volume of the , all multiplied by a multiplication factor. for percent by mass (%) , the multiplication factor is . for parts per million by mass (ppm) , the multiplication factor is . for parts per billion by mass (ppb) , the multiplication factor is . the size of the multiplication factor depends on the . a solution with a concentration of 18 ppm by mass, for example, contains 18 g of per g of .

Answer 1

ANSWER-

Parts by mass and parts by volume are used to express the concentration of a particular substance in a solution. Parts by mass is expressed as a ratio of the mass of the solute (the substance being dissolved) to the mass of the solvent (the substance doing the dissolving), usually multiplied by a factor of 100 to convert it to a percentage. Parts per million (ppm) and parts per billion (ppb) are also expressed in terms of mass and are used when the concentration is very low.

Parts by volume is expressed as a ratio of the volume of the solute to the volume of the solvent, usually multiplied by a factor of 100 to convert it to a percentage. This method is used when the solute and solvent have similar densities and the solution is homogeneous.

In both cases, the concentration is used to determine the amount of a substance present in a solution, which can be important in various applications, such as quality control in manufacturing, environmental monitoring, and medical diagnosis and treatment.