Home
Class 12
CHEMISTRY
A 10 g sample of a mixture of calcium ch...

A 10 g sample of a mixture of calcium chloride and sodium chloride is treated with `Na_(2)CO_(3)` to precipitate calcium as calcium carbonate. This `CaCO_(3)` is heated to convert all the calcium to CaO and the final mass of CaO is 1.12gm. Calculate % by mass of NaCl in the original mixture.

A

`76%`

B

`79%`

C

`78%`

D

`77.8%`

Text Solution

Verified by Experts

The correct Answer is:
D
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • MOLE CONCEPT

    MOTION|Exercise EXERCISE - 3|60 Videos

  • MOLE CONCEPT

    MOTION|Exercise EXERCISE - 4 LEVEL - I|14 Videos

  • MOLE CONCEPT

    MOTION|Exercise EXERCISE - 2 (LEVEL - I)|50 Videos

  • METALLURGY

    MOTION|Exercise EXERCISE 4 (LEVEL - II)|17 Videos

  • NOMENCLATURE OF ORGANIC COMPOUNDS

    MOTION|Exercise PREVIOUS YEAR|8 Videos

Similar Questions

Explore conceptually related problems

A 10 g sample of a mixture of calcium chloride and sodium chloride is treated with Na_(2)CO_(3) to precipitate calcium as calcium carbonate. This CaCO_(3) is heated to convert all the calcium to CaO and the final mass of CaO is 1.62 g. Calculate % by mass of NaCl in original solution.

A 10.0 g sample of a mixture of CaCl_2 and NaCl is treated to precipitate all the calcium as calcium carbonate. Thus CaCO_3 is heated to convert all the Ca to CaO and the final mass of CaO is 1.62 g. What is the percentage by mass of CaCl_2 in the original mixture?

Knowledge Check

  • A 10.0 g sample of a mixture of calcium chloride and sodium chloride is treated with Na_(2)CO_(3) to precipitate the calcium as calcium carbonate . This CaCO_(3) is heated to convert all the calcium to CaO and the final mass of CaO is 1.62 gms. The % by mass of CaCl_(2) in the original mixture is

    A
    `15.2 %`
    B
    `32.1 %`
    C
    `21.8 %`
    D
    `11.07 %`

  • A 10.0 g sample of a mxiture of calcium chloride and sodium chloride is treated with Na_(2)CO_(3) to precipitate the calcium as calcium carbonates. This CaCO_(3) is heated to convert all the calcium to CaO and the final mass of CaO is 1.62 gms. The \% by mass of CaCl_(2) in the original mixture is

    A
    `15.2%`
    B
    `32.1%`
    C
    `21.8%`
    D
    `11.07%`

  • 10 g of a sample of a mixture of CaCl_(2) and NaCl is treated to precipitate all the calcium as CaCO_(3) . This CaCO_(3) is heated to convert all the Ca to CaO and the final mass of CaO is 1.62 g.The percent by mass of CaCl_(2) in the origial mixture is

    A
    0.321
    B
    0.162
    C
    0.218
    D
    0.11

    • Similar Questions

    Explore conceptually related problems

    10 g of sample of mixture of CaCl_(2) and NaCl are treated to precipitate all the calcium as CaCO_(3) . This CaCO_(3) is heated to convert all the Ca to CaO and the final mass of CaCl_(2) in the original mixture is

    A mixture of sodium chloride(NaCl) and anhydrous sodium carbonate (Na_(2)CO_(3)) has a mole ratio, 2:1 . It is dissolved in water and treated with BaCl_(2) solution. The mass of BaCO_(3) precipitated is 197 gm. Calculate the mass (in gm) of NaCl in the mixture.

    A sample of mixture of CaCl_(2) and NaCl weighing 2.22 gm was treated to precipitate all the Ca as CaCO_(3) which was then heated and quantitatively converted to 0.84 gm of CaO. Calculate the percentage (by mass )of CaCl_(2) in the mixture.

    A mixture of CaCl_(2) and NaCl weighing 4.44 g is treated with sodium carbonate solution to precipitate all the Ca^(2+) ions as calcium carbonate. The calcium carbonate so obtained is heated strongly to get 0.56 g of CaO. The percentage of NaCl in the mixture (atomic mass of Ca = 40) is

    A mixture of CaCl_(2) and NaCl weighing 4.44 is treated with sodium carbonate solution to precipitate all the Ca^(2+) ions as calcium carbonate. The calcium carbonate so obtained is heated strongly to get 0.56 g of CaO . The percentage of NaCl in the mixture of (atomic mass of Ca=40) is

    Home
    Profile