Question

The mass of one steel screw is 4.11g. Find the mass of one mole of these steel screws. Compare this value with the mass of the earth(5.98×1024kg). Which one of the two is heavier and by how many times?

Answer 1

Explanation:

Given that, mass of one steel screw = 4.11 g Mass of earth We know that, 1 mole = 6.022x 1023 atoms/molecules/ions Mass of 1 mole of screws = 6.022x 1023 x 4.11 g = 2.48x 1024 g Mass of 1 mole screw 2.48x 1024 g Ratio of 1 mole of screw and mass of earth = 1:2410 Earth is heavier than screw by 2410

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