Mass percentage concentration.
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Last Update: 2020-10-25
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Source: Internet
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Author: User
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the mass of the solution as a percentage of the mass of the total solution, called the mass percentage concentration (referred to as the percentage concentration). Mass percentage concentration is a concentration commonly used in daily life and production, and it has no scale. It will later be replaced by a statutory unit of
(W). The mass fraction of substance B
B
is the ratio
mass of substance B to the mass of the mixture. For example, 5g sodium chloride is dissolved in 95g water and is made into a 100g solution with a mass percentage concentration of 5% and a mass fraction of 0.05 or 5×10
-2
. Medical
0.9% physiological saline, 0.9% is the mass volume percentage concentration. Its meaning is to dissolve 0.9g of sodium chloride in a solution of 100mL in water. The percentage concentration calculation formula is
.
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