An isotonic solution contains .90% NaCl by mass per volume.Calculate the percent

Question

An isotonic solution contains .90% NaCl by mass per volume.Calculate the percent mass per volume for isotonic solutionscontaining each of the following solutes at 25*C. Assume a van'tHoff factor of 1.9 for all Ionic Solutions a. KCl b. NaBr c. Gluclose (C6H12O6) An isotonic solution contains .90% NaCl by mass per volume.Calculate the percent mass per volume for isotonic solutionscontaining each of the following solutes at 25*C. Assume a van'tHoff factor of 1.9 for all Ionic Solutions a. KCl b. NaBr c. Gluclose (C6H12O6)

Explanation / Answer

Isotonic solutions is nothing but the solutionshaving same concentration . Concentration of NaCl solution is 0.9 M . van'tHoff factor is 1.9 R= 0.0821 T = 273K    Formula is = iCST                         = 1.9 *.0.9* 0.0821* 273                          = 38.326 pa A & B are ionic compounds they having same osmaticpressure. Glocose is covalent compound .so for thiscompound the von't hoff factor is 1     therfore     = 1*.9*0.0821*273                          =20.171 pa































      

                            = 20.171

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