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Calculate the molarity of the following ...

Calculate the molarity of the following solution:
(a) 4g of caustic soda is dissolved in 200mL of the solution.
(b) 5.3 g of anhydrous sodium carbonate is dissolved in100 mL of solution.
(c ) 0.365 g of pure HCl gas is dissolved in 50 mL of solution.

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The correct Answer is:
(a) 0.5 M, (b) 0.5 M, (c) 0.2 M
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Knowledge Check

  • What will be the molarity of the solution in which 0.365 g of HCl gas is dissolved in 100 mL of solution ?

    A
    2 M
    B
    0.2 M
    C
    1 M
    D
    0.1 M

  • 4.0g of caustic soda is dissolved in 100 cc of solution. The normality of solution is

    A
    1
    B
    0.1
    C
    0.5
    D
    4

  • Calculate the molarity of a solution containing 0.5 gm of NaOH dissolved in 500 ml. solution-

    A
    0.0025 M
    B
    0.025 M
    C
    0.25 M
    D
    0.025 M
    • ALLEN- CONCENTRATION TERMS-Exercise S - I
    1. Calculate the molarity of the following solution: (a) 4g of caustic ...

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    2. Density of a solution containing 13% by mass of sulphuric acid is 0.98...

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    3. The density of a solution containing 7.3% by mass of HCl is 1.2 g/mL. ...

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    4. 15g of methyl alcohol is present in 100 mL of solution. If density of ...

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    5. Units of parts per million (ppm) or per billion (ppb) are often used t...

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    6. A 7.0 M solution of KOH in water contains 28% by mass of KOH. What is ...

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    7. The average concentration of Na^(+) ion in human body is 3.0 to 3.9 gm...

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    8. What is the concentration of chloride ion, in molarity, in a solution ...

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    9. The concentratio of a solution is 8% (w/w) and 10% (w/v) Calculate den...

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    10. The mole fraction of solute in aqueous urea solution is 0.2. Calculate...

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    11. The concentratio of Ca (HCO(3))(2) in a sample of hard water is 405 pp...

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    12. 0.115 gm of sodium metal was dissolved in 500 ml of the solution in di...

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    13. How much BaCl(2) (in gm) would be needed to make 250 ml of a solution ...

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    14. Calculate molality (m) of each ion present in the aqueous solution of ...

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    15. 1200gm aqueous solution contains 200gm calcium bromide (CaBr(2)). Calc...

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    16. Find out the volume of 98% w/w H(2)SO(4) (density = 1.8 gm/ml), must b...

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    17. Volume of dil. HNO(3)(D=1.1gm//ml,20%3//3) that can be prepared by dil...

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    18. 500 ml of 2M NaCl solution was mixed with 200 ml of 2 M NaCl solution....

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    19. Calculate the amount of the water which must be added to 2 ml of a sol...

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    20. A mixture containing equimolar amounts of Ca(OH)(2) and Al(OH)(3) requ...

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