Calculate the cohesive energy of potassium iodide (KI). The ionic radii of K+ and I−, are 152 pm and 206 pm, respectively. Assume the Born exponent n is 10. Assume a Madelung constant of 1.7. Please report your answer in kJ/mol

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anonymous · Answer

E=(6.022*10^23 mol-1)(1.7)((1)(-1)(1.602*10^-19)^2/(4*3.14)*(8.85*10^-12)*(358*10^-12) all this function be multiplied with (1-1/10) its ok now

anonymous · Answer

Can you help me in solving this question? I am lost in the maths...