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Calculate the molality, if density of 8....

Calculate the molality, if density of 8.653% (w/v) `Na_(2)CO_(3)` solution is 1.018g `cc^(-1)`.

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The correct Answer is:
0.876 mol `kg^(-1)`
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AAKASH SERIES-STOICHIOMETRY-EXERCISE -1.1.10
  1. Define molality.How is it dependent on temperature?

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  2. What are (a) molarity and (b) normality ? Write their units.

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  3. Calculate the weight of anhydrous sodium carbonate required to prepare...

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  4. How much water must be added to 100ml of 0.5M NaOH to get 0.2M NaOH so...

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  5. Density of 84% pure sulpuric acid in aqueous solution is 1.75 g cc^(-1...

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  6. What is the normality of 5.3%(w/v) aqueous solution of Na(2)CO(3)?

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  7. Calculate the weight of sodium chloride present in 250mL of 0.1N solut...

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  8. Find the number of moles of the solute present in 600ml of 0.05M solut...

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  9. How many grams of Al2(SO4)3, will be required to prepare 4 litres of 0...

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  10. 250mL of 0.2M NaOH and 100mL of 0.5M NaOH solutions were added. What i...

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  11. How many grams of H(2)SO(4) required to be dissolved in 250g of water ...

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  12. Calculate the molality, if density of 8.653% (w/v) Na(2)CO(3) solution...

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  13. 100 mL of ethano (d = 0.78g cc^(-1)) I made upto a litre with pure wat...

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  14. 12% (w/v) aqueous caustic soda has a density of 1.2g cc^(-1). Calculat...

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  15. A homogeneous mixture contains 90g of water, 18.4g of glycerol and 6.4...

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  16. What volumes of 10N NaOH and 2N NaOH should be mixed to obtain 4L of 5...

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  17. 250 mL of 0.2M H(2)SO(4) is diluted with one L of water. What is the n...

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  18. To convert 1 litre of 1.123N solution of an acid into 1N solution, how...

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  19. Molecular weight of a dibasic acid is 132. If 33 grams of acid is pres...

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  20. 10 L of water has 33 mg of oxygen dissolved. What is the ppm of dissol...

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