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Calculate of % mass of H(2) O in Mg SO(4...

Calculate of `%` mass of `H_(2) O` in `Mg SO_(4) .7H_(2)O` sample.

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`% H _(2) O = ( 7 xx 18)/( 296) xx 100 = 51. 2 %`
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CENGAGE CHEMISTRY-CHEMICAL ARITHMETIC -MANDATORY EXERCISE (EXERCISE SET III)
  1. Express the relation between atomic mass and gram atomic weight ?

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  2. Calculate the % mass of C in H(2) C (2) O(4) 2H(2)O

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  3. Calculate of % mass of H(2) O in Mg SO(4) .7H(2)O sample.

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  4. Calcualte the weight of H(2)O present in 100 g sample of Mg SO(4). 7H(...

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  5. If two compounds have same Empirical form then mass percentage of both...

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  6. If mass % of N in an organic compound is 7% then minimum molar mass of...

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  7. Calculate the mass % of NH(4) ^(o+) in (NH(4)) (2) Cr (2) O(7) (ammoni...

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  8. Calculate the mass % of C in first member of alkane and alkene homolog...

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  9. Calculate the mass % of C in carbon suboxide.

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  10. Calculate the percentage of carbonate ion in Na (2) CO(3) and Na HCO(3...

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  11. Calculate the mass % of SO (4) ^(2-) in potash Alum K(2) SO(4)^(2) Al ...

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  12. The formula of a metal chloride is MCl (3) and atomic weight of metal ...

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  13. Among NH(3), HNO(3), Na N(3) and Mg (3) N(2) the numbers of molecules ...

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  14. The oxidation number of oxygen in KO(3) and Na (2)O(2) is

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  15. Oxidation state of Br in Br (2) and BrO(3) ^(-) is

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  16. The difference of oxidation state of two s atoms in H(2) S(2) O(8) is

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  17. Name the monoatomic cations using the IUPAC system of nomenclature: ...

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  18. Name the monoatomic cations using the IUPAC system of nomenclature: ...

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  19. Name the monoatomic cations using the IUPAC system of nomenclature: ...

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  20. Name the ionic compound: Li (2)S

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