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What is the simplest formula of the comp...

What is the simplest formula of the compound which has the following percentage composition: Carbon 80%, hydrogen 20%.

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`CH_3`
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NCERT GUJARATI-CHEMICAL CALCULATION -Problems of Practice
  1. Calculate the following Number of atoms in 7.46 g Li

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  2. A substance on analysis, gave the following percentage composition, Na...

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  3. What is the simplest formula of the compound which has the following p...

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  4. A compound on analysis gave the following percentage composition: C - ...

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  5. An organic compound was found to have contained carbon = 40.65%, hydro...

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  6. A compound contains 32% carbon, 4% hydrogen and rest oxygen. Its vapou...

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  7. An acid of molecular mass 104 contains 34.6% carbon, 3.85% hydrogen an...

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  8. What is the simplest formula of the compound which has the following p...

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  9. Calculate the oxidation number of underlined elements in the following...

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  10. Calculate the oxidation number of underlined elements in the following...

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  11. Calculate the oxidation number of underlined elements in the following...

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  12. Calculate the oxidation number of underlined elements in the following...

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  13. Calculate the oxidation number of underlined elements in the following...

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  14. Balance the equations Mg + NO3^(-) to Mg^(2+) + N2O + H2O) ( in acidi...

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  15. Balance the equations Cr^(3+) + Na2O2 to CrO4^(-) + Na^(+)

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  16. Balance the equation S^(2-) + NO3^(-) to NO + S8

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  17. Balance the equations FeS + O2 to Fe2O3 + SO2 ( molecular form )

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  18. Balance the equations Cl2 + OH^(-) to Cl^(-) + ClO3^(-) + H2O

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  19. Calculate the volume of 14.3 M NH3, solution needed to prepare 1L of 0...

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  20. How would you make up 425 mL of 0.150M HNO3 from 68.0% HNO3? The densi...

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