The mass of one steel screw is 4.11gm. Find the mass of one mole of these steel screws.

2.475 \times 10^{21} k g

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3.56 \times 10^{21} k g

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4.2 \times 10^{21} k g

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4.2 \times 10^{20} k g

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Solution

The correct option is A $2.475 \times 10^{21} k g$
Mass of one steel screw is 4.11 gm, so mass of one mole is $= 4.11 * 6.023 * 10^{23} = 2.475 \times 10^{24} g = 2.475 \times 10^{21} k g$

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The mass of one steel screw is 4.11gm. Find the mass of one mole of these steel screws.

The correct option is A 2.475×1021kgMass of one steel screw is 4.11 gm, so mass of one mole is =4.11∗6.023∗1023=2.475×1024g=2.475×1021kg

The correct option is A $2.475 \times 10^{21} k g$
Mass of one steel screw is 4.11 gm, so mass of one mole is $= 4.11 * 6.023 * 10^{23} = 2.475 \times 10^{24} g = 2.475 \times 10^{21} k g$