MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Salts

A mixture of ...

Question

A mixture of CaCl2 and NaCl weighing 3.70g is treated with Na2CO3 solution to precipitate all the Ca2+ ions as CaCO3. the CaCO3 so obtained is heated strongly to get 0.84 g of CaO. The percentage of NaCl in the mixture is

Open in App

Solution

Suggest Corrections

thumbs-up

3

Similar questions

A mixture of CaCl^2 and NaCl weighing 4.44g is treated with sodium carbonate solution to precipitate all the calcium ions as calcium carbonate . The calcium carbonate so obtainable is heated strongly to get 0.56g of CaO . The percentage of NaCl in mixture is

Q. A sample of mixture of

C a C l_{2}

N a C l

5.55

g was treated to precipitate all the

C a

C a C O_{3}

which was then heated and quantitatively converted to

1.68

C a O

. The mass percentage of

C a C l_{2}

in the mixture is;

Q. A sample of a mixture of

C a C l_{2}

N a_{2} C O_{3}

4.22

g was treated to precipitate all the

C a

C a C O_{3}

C a C O_{3}

is heated and quantitatively converted into

0.959

C a O

. Calculate the percentage of

C a C l_{2}

in the mixture.

(Atomic mass of

C a = 40, O = 16, C = 12

C l = 35.5 g / m o l e)

10

g of a sample of a mixture of

C a C l_{2}

N a C l

is treated to precipitate all the calcium as

C a C O_{3}

C a C O_{3}

is heated to convert all the

C a

C a O

and the final mass of

C a O

1.62

g. The percent by mass of

C a C l_{2}

in the original mixture is :

10.0

g sample of a mixture of

C a C l_{2}

N a C l

is treated to precipitate all the calcium as calcium carbonate. This

C a C O_{3}

is heated to convert all the

C a

C a O

and the final mass of

C a O

1.62

X

percentage by mass of

C a C l_{2}

is in the original mixture, then value of

10 X

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Salts

CHEMISTRY

Watch in App

explore_more_icon

Explore more

Standard X Chemistry

Join BYJU'S Learning Program

CrossIcon