A couple of Homework questions

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The discussion centers on calculating the force of attraction between a K+ ion and an O2- ion, separated by a distance of 1.5 nm. The correct approach involves using Coulomb's Law, which states that the force (F) can be calculated using the equation F = k * |q1 * q2| / r², where k is Coulomb's constant, q1 and q2 are the charges of the ions, and r is the distance between them. The participants emphasize the importance of recognizing that the charges of K+ and O2- are not equal, which affects the calculation.

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Calculate the force of attraction between a K+ and O2- ion whose centers are separated by a distance of 1.5nm

I think you use this equation Ea= -(A/r)
but I am not sure what A is
 
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You need to use columb's law. Make sure you recognise the charges for each ion aren't equal.
 

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