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Explain % w/V and % w/w in brief. |
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Answer» Solution :Mass by volume percentage (% w/V) : It is the mass of SOLUTE dissolved in 100 mL of the solution. Another unit which is commonly used in MEDICINE and pharmacy is mass by volume percentage. Mass percentage (w/w) : The mass percentage of a component of a solution is defined as: Mass % of a component `= ("Mass of the component in the solution")/("Total - mass of the solution")xx100` For example, if a solution is described by 10%glucose in water by mass, it means that 10 g of glucose in dissolved in 90 g of water resulting in a 100 g solution. Concentration described by mass percentage is commonly used in INDUSTRIAL chemial applications. For example, commercial BLEACHING solution contains 3.62 mass percentage of sodium HYPOCHLORITE in water. |
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