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  • 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 \times 10^{24}kg) Which one of the two is heavier and by how many times?

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 \times 10^{24}kg). Which one of the two is heavier and by how many times?

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Answer:

One way of screws weigh =2.475\times 10^{24}g
                                        =2.475\times 10^{21}kg
\frac{Mass \;of\; the\; earth}{Mass\; of\; one\; mole\; of\; screws}=\frac{5.98\times 10^{24}}{2.475\times 10^{21}}=2.4\times 10^{3}

Mass of earth is 2.4 \times 10^{3} times the mass of screws. The earth is 2400 times heavier than one mole of screws

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