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An element has fractional atomic mass. W...

An element has fractional atomic mass. What does it indicate ?

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It indicates that the element exists in the form of isotopes and its atomic mass is an average atomic mass.
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DINESH PUBLICATION-MOLE CONCEPT-Concept Based Question
  1. Which law co-relates the mass and volume of a gas ?

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  2. Atomic mass of oxygen is 16 u. What does it indicant ?

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  3. An element has fractional atomic mass. What does it indicate ?

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  4. What is the difference between the mass of a molecule and molecular ma...

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  5. Where do we use the words mole and mol ?

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  6. Does one gram mole of a gas occupy 22.4 L under all conditions of temp...

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  7. What is the basic difference between empirical and molecular formulae ...

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  8. The percentages of all the elements present in a compound are 92. What...

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  9. Whay is it necessary to balance a chemical equation ?

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  10. In the combustion of methane, why is methane regarded s the limiting r...

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  11. Distinguish between molarity and molality.

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  12. Is the number of molecules in one mole of a gas at 100^(@)C and 500 m...

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  13. Are 0.5 mole of NaOH and 0.5 M of NaOH solution same ?

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  14. The average atomic mass of chlorine is 35.5 u. Do we come across a sam...

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  15. Out of 1 M H(2)SO(4) and 1 N H(2)SO(4), which is more concentrated an...

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  16. Why is the value of Avogadro's number 6.022 xx 10^(23) and not any oth...

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  17. We breathe in fresh air in the morning walk is it pure as well ?

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  18. Are the atomic masses of the elements their actual masses ?

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  19. What do you understand by stoichiometric coefficients in a chemical eq...

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  20. Why is limiting reactant so named ?

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