Answer:
(a) 1 mole
=6.022 x1023 particles
Mass of 1
mole (6.022 x1023) screws
=6.022x1023
x 4.11g
(b)
Ratio = mass
of 1 mole screw : mass of Earth
= 1 : 2410
Mass of Earth is
heavier by 2410 times than Hence, mass of one steel screw.
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