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1 g of impure Na(2)CO(3) is dissolved in...

` 1 g` of impure `Na_(2)CO_(3)` is dissolved in water and the solution is made upto `250 mL`. To `50 mL` of this solution, `50 mL` of `0.1 N HCl` is added and the mixture after shaking well required `10 mL` of `0.16 N NaOH` solution for complete neutralization. Calculation percent purity of the sample of `Na_(2) CO_(3)`.

Text Solution

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The correct Answer is:
`90. 1 %`
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3.0 g of impure Na_2CO_3 is dissolved in water and the solution is made up to 250 mL . To 50 " mL of " this solution, 50 " mL of " 0.1 N HCL is added and the mixture, after shaking well, required 10 " mL of " 0.16 N NaOH solution for cojmplete neutralisation. Calculate the percentage purity of the sample of Na_2CO_3 .

One gm of impure sodium carbonate is dissolved in water and the solution is made up to 250ml. To 50ml of this solution, 50ml of 0.1N – HCl is added and the mixture after shaking well required 10ml of 0.16N NaOH solution for complete titration. Calculate the % purity of the sample.

Knowledge Check

  • 0.7 g "of" Na_(2)CO_(3).xH_(2)O were dissolved in water and the volume was made to 100 mL, 20 mL of this solution required 19.8 mL "of" N//10 HCl for complete neutralization. The value of x is:

    A
    `7`
    B
    `3`
    C
    `2`
    D
    `5`

  • 0.7 g of Na_(2)CO_(3).xH_(2)O was dissolved in water to make 100 mL solution, 20 mL of this solution required 19.8 mL of 0.1 N HCl for complete neutralisation. The value of x is :

    A
    5
    B
    2
    C
    3
    D
    4

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