the solubility of sodium chloride is in water at 27 degree celsius is 22.75 gram in hundred ml of water the density of water is 1 gram per ml calculate the concentration of sodium chloride in the terms of mass percentage when it is dissolved in 500 ml of water
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Answer:
22.7%
Explanation:
Temperature = 27° (Given)
Quantity = 22.75gm (Given)
Density of water = 1gm (Given)
Volume of water = 500ml (Given)
Density = (mass/volume)
Thus, mass of water = 1 X 500 gm = 500 gm
Solubility of NaCl = 22.7 gm/100 ml water.
Thus, in 500 ml water, mass of NaCl present will be
= (22.7 X 500)/100 = 113.5 gm
Therefore mass percent of NaCl = (113.5/500) X 100%
= 22.7%.
Therefore, the concentration will be 22.7%
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