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Which unit of concentration is used when...

Which unit of concentration is used when the solute is present in trace quantities ?

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The correct Answer is:
parts per million (ppm)
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MODERN PUBLICATION-SOLUTIONS-EXERCISE
  1. Which type of solution an amalgam is ?

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  2. Give one example of solid in gas and liquid in gas solution?

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  3. Which unit of concentration is used when the solute is present in trac...

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  4. What is the sum of mole fractions of all components in a given solutio...

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  5. Name two concentration units which do not change with temperature.

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  6. Which concentration term is expressed as the number of moles of solute...

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  7. Which concentration term is expressed as the. number of moles of solut...

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  8. What is the relationship between depression in freezing point of a sol...

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  9. In which type of liquid, an ionic solid will go into solution ?

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  10. At 313 k, the vapour pressure of methanol and ethanol solution is expr...

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  11. Why cannot water be separated completely from ethanol by fractional di...

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  12. Why is a person suffering from high blood pressure advised to take min...

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  13. Camphor is used as solvent to determine molecular weight of non-volati...

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  14. State henry's law.

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  15. Define mole fraction .

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  16. Calculate the molarity when 73 grams of HCl is dissolved in water to m...

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  17. What do you understand by osmotic pressure ?

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  18. Define molality. 29.25 gms of NaCl are present in 529.25 gms of solut...

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  19. 5.85 g of NaCl is dissolved in 90 g water what is the mole fraction of...

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  20. Compare the osmotic pressures following two solutions at the same temp...

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