Question

Measurements show that during the inflow part of a neuron cycle, about 5.6x10^11 Na+ (sodium ions) per meter, each with a charge of +e, enter the axon. How many coulombs of charge enter a 1.5cm length of axon during this process?

Answer 1

The fundamental quantum of charge is 1.602176487×10−19 C. Figure out how many ions enter the 1.5cm length of axon and multiply by the constant to find the total charge that enters.

Answer 2

So we just multiply \[5.6\times10^{11}\] by \[.15m\] and then by \[1.602\times10^{-19}\] to get 1.3nC. Thank you very much! I was over complicating it! :)