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Mass percentage (w/w) of ethylene glycol...

Mass percentage (w/w) of ethylene glycol. `(HOCH_2 - CH_2OH)` in an aqueous solution is 20. Calculate (a) mole fraction of solute. (b) mole percentage of water and (c) molality of solution.

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The correct Answer is:
`0.068, 93.2% and 4.03 mol kg^(-1)`
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AAKASH SERIES-DILUTE SOLUTIONS-EXERCISE - 1.1.1
  1. Write the different types of solutions with suitable examples.

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  2. Define (a) mole fraction, (b) molality (c) molarity and (d) normality....

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  3. What is solubility. Discuss the factos influencing solubility.

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  4. State the explain Henry's law .

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  5. How much water is to be added to prepare 0.12 M solutions from 100 mL ...

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  6. Calculate the mass of caustic soda present in 225 mL of 0.556 M soluti...

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  7. Calculate the mass of urea ("NH"(2)"CONH"(2)) required in making 2.5 k...

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  8. Calculate the weights of solutes required to prepre one litre each of ...

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  9. A gaseous mixture has 7g of N2, 8g of He and 22g of CO2. Calculate the...

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  10. Concentration hydrochloric acid has 38% of HCl by weight with a densit...

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  11. Calculate the weight of sodium oxalate present in 250 mL of seminormal...

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  12. 1.032 kg of aqueous, one molal methanol is added with 500 mL water . C...

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  13. 0.5 g of Ba(OH)2, 0.01 mol Ba(OH)(2) and 0.01 eq. Ba(OH)(2) were toge...

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  14. Calculate the mass of urea (NH2 CONH2) required in making 2.5 kg of 0....

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  15. Calculate molality of 2.5 of ethanoic acid (CH(3)COOH) in 75g of benze...

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  16. Calculate the volume of 0.1N potassium permanganate that can be decolo...

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  17. Mass percentage (w/w) of ethylene glycol. (HOCH2 - CH2OH) in an aqueou...

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  18. Calculate mole fraction of alcohol in 2 molal aqueous ethanol.

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  19. If N(2) gas is bubbled through water at 293 K, how many millimoles of ...

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