# As physics

posted by cylinder

change in mass___total charge_____no of elect
for each of______delivered by_______rons pass
objects_________circuit(eachtest)_(thrcathod)
_____________________________________________0.14____________144__________9 x 10^20___
0.57_____________132__________8.25 x 10^20_
0.11_____________120__________7.5 x 10^20__
0.14____________144___________9 x 10^20____
0.15____________156___________9.75 x 10^20_

1)Determine the total number of silver atoms formed on the cathode using the total number of electrons passing through the cathode.(IM COMPLETELY STUCK)
2)Plot a graph and compare the number of silver atoms formed on the cathode and the chnage in cathode mass(obviously you cant do but is te change in mass the change in cathode massright ad i can do this step)

3)Use your graph to determine the mass of a single silver atom(how do i do this the stepsobvs)

4)The accepted mass of a silver atom is 1.80 x 10^-27kg
a)compare this to your value(EASY I CAN DO)
b)Use your answer from part a to evaluate this charge and electrolysis in silver plating experiment, stating potential sources which may account for any diifeerencein values.(explain please)

1. bobpursley

the number of silver atoms=number of electrons (ions) transfered. Number of electrons transfered is related to current*time.

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