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Sagot :
The mass of potassium chloride with solubility 253.9 g/mL present in 100 grams of solution is 25.4 grams.
What is concentration?
Concentration is given as the quantity of the solute present in the solution. The water at 25 degrees Celsius has density of 0.9982 g/mL.
The mass of the 100 grams of water is given as:
[tex]\rm Density=\dfrac{mass}{volume}\\\\0.9982\;g/mol=\dfrac{100\;grams}{Volume}\\\\Volume=100.180\;mL[/tex]
The solubility of potassium chloride is 253.9 g/mL
The grams of potassium chloride in the 100 grams solution will be:
[tex]\rm Mass\;of\;potassium\;chloride=\dfrac{253.9}{1000}\;\times\;100.81\;g\\\\Mass\;of\;potassium\;chloride=\25.4\;g[/tex]
Thus, the mass of potassium chloride present in 100 grams of water is 25.4 grams.
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