Question
a piece of nickel wire has a diameter of 0.568. if the nickel has a density of 8.90g/cc, how long( in meters) should you cut a piece of wire to obtain 0.0234 moles of nickel?
Answers
A diameter of 0.568 WHAT?
Convert diameter to cm if it isn't that now, then take half of that to obtain radius.
Convert 0.234 moles Ni to grams.
moles = grams/molar mass. Solve for grams= xx g
Convert xxg to volume using
mass = volume x density.
Then pi*radius^2*length(in cm) = volume. You know volume, pi, radius, solve for length in cm and convert to m.
Convert diameter to cm if it isn't that now, then take half of that to obtain radius.
Convert 0.234 moles Ni to grams.
moles = grams/molar mass. Solve for grams= xx g
Convert xxg to volume using
mass = volume x density.
Then pi*radius^2*length(in cm) = volume. You know volume, pi, radius, solve for length in cm and convert to m.
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