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4.20°C, the solubility of NaC1 is 36g, what is the mass fraction of saturated sodium chloride solution at this temperature? 4. What is the mass fraction of is 36g at 20°C, what is the mass fraction of saturated sodium chloride solution at this temperature?
At 20°C, the solubility of NaCl is 36 g, indicating that 20 g of NaCl solids can be dissolved in 100 g of water at this temperature at most
Therefore, the mass fraction of saturated sodium chloride solution at this temperature =36/(36+100)*100%=26.5%
At 20°C, the solubility of NaCl is 36 g, indicating that 20 g of NaCl solids can be dissolved in 100 g of water at this temperature
Therefore, the mass fraction of saturated sodium chloride solution at this temperature =36/(36+100)*100%=26.5%
The solubility of sodium chloride is 36 g at 20 degrees, the mass fraction of salt in the salt saturated solution at this temperature The solubility of sodium chloride is 36 g at 20 degrees, and the mass fraction of salt in the salt saturated solution at this temperature
The mass fraction of salt in the saturated solution of sodium chloride at 20°C is:
[36G/(36g+100g)]*100%=26.47%≈26%.
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