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What is the mass of 4 moles of aluminium...

What is the mass of 4 moles of aluminium atoms (Atomic mass of aluminium = 27)?

Text Solution

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`4 xx 6.023 xx 10^(23) xx 27 = 108 xx 6.023 xx 10^(23) ` atoms
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Knowledge Check

  • The mass of an atom of carbon is :

    A
    1g
    B
    1/12 g
    C
    `1.99 xx 10^(-23) g `
    D
    `1.99 xx 10^23 g`

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