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Calculate the mass percentage of oxygen ...

Calculate the mass percentage of oxygen in `CaCO_3`.

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MAXIMUM PUBLICATION-SOME BASIC CONCEPTS OF CHEMISTRY-EXAMPLE
  1. Carbon form two oxides, the first contains 42.9% C and the second cont...

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  2. calculate the molality of a solution containing 10 g of NaOH in 200cm^...

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  3. Calculate the mass percentage of oxygen in CaCO3.

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  4. KCIO3 on heating decomposes to KCI and O2. Calculate the mass and volu...

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  5. Calculate the number of molecules present in 11 g of CO2.

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  6. Calculate the number of molecules present in 56mL of CO2 at STP.

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  7. calculate the number of moles of O2 required to produce 240 g of MgO b...

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  8. Arrange the following in the increasing order of their mass. 1 g of Ca...

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  9. Irrespective of the source, pure sample of H2O always contains 88.89% ...

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  10. Irrespective of the source, pure sample of H2O always contains 88.89% ...

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  11. Calcium carbonate reacts with aqueous HCl to give CaCl2 and CO2 accord...

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  12. During a seminar, a students remarked that "Dalton's atomic theory has...

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  13. During a seminar, a students remarked that "Dalton's atomic theory has...

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  14. During a seminar ,a students remarked that "Daltons atomic theory has ...

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  15. One gram atom of an element contains 6.023xx10^23 atoms. Find the numb...

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  16. One gram atom of an element contains 6.023xx10^23 atoms. Which is heav...

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  17. One gram atom of an element contains 6.023xx10^23 atoms.Define mole an...

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  18. Classify the following as homogeneous and heterogeneous mixtures. Air,...

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  19. State and explain law of multiple proportions with example.

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  20. One mole of an ideal gas occupies 22.4L at STP. Calculate the mass of ...

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