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Find the number of moles in 127.0g of c...

Find the number of moles in `127.0g` of copper.

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Number of moles of copper `=(" Mass of Cu ")/(" Gram atomic mass of Cu ")= (127.0g)/(63.5g)=2`.
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BRILLIANT PUBLICATION-SOME BASIC CONCEPTS OF CHEMISTRY-QUESTIONS
  1. What is the equivalent mass of water?

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  2. Find the number of moles in 1.445xx10^(24) atoms of silver.

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  3. Find the number of moles in 127.0g of copper.

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  4. Find the number of moles in 45g of water.

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  5. Find the number of moles in 7.8L of N(2) at STP.

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  6. Calculate the percentage of Cu in CuO

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  7. Calculate the mass % of oxygen in Fe(3)O(4)

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  8. An organic compound contains 40% carbon, 6.67% hydrogen and 53.33% oxy...

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  10. Calculate the volume of CO2 evolved at STP when 10g of CaCO3 is treate...

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  15. Calculate the molarity of a solution containing 2.8g of KOH per litre ...

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