Answer to Question #68485 in Physical Chemistry for Karan kalra

Question

approximate atomic weight of element is 26.89 its equivalent weight is 8.9 the exact atomic weight is....

Answer 1

The molar mass of the equivalent (ME) is the mass of one mole equivalent. It is equal to the product of the molar mass of the substance by the equivalence factor:

M_E=M∙1/f_eq ;
f_eq=3;
M=M_E∙f_eq=8.9∙3=26.7
Answer: 26.7