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How much copper can be obtained from 100...

How much copper can be obtained from `100g` of copper sulphate `(CuSO_(4))`?

Text Solution

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1 mole of `CuSO_(4)` contain 1 mole (1 g atom) of Cu
`"Molar mass of "CuSO_(4)=63.5+32+4xx16=159.5" g mol"^(-1)`
Thus,Cu that can be obtained from 159.5 g of `CuSO_(4)=63.5g`
`therefore" Cu that can be obtained from 100 g of "CuSO_(4)=(63.5)/(159.5)xx100g=39.81g`
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Knowledge Check

  • 100% copper is obtained from crude copper by

    A
    Zone refining
    B
    electrorefining
    C
    liqation
    D
    poling
  • One gram formula weight of copper sulphate (CuSO_4) contains

    A
    one atom of copper
    B
    one gram atom of sulphur
    C
    `6.02xx10^(23)` atoms of oxygen
    D
    four grams of oxygen
  • Copper can be reduced from acidic copper sulphate solution by

    A
    Silver
    B
    Iron
    C
    Carbon
    D
    Lead
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