Question

1000 g of a mixture of Na2CO3, Na2SO4 and NaoH for complete neutralisation requires 511 g of HCl. The
same mixture when reacted with excess of BaCl2 solution, produced 466 g of white precipitate of BaSO4-
Calculate mass of NaOH in mixture.​

Answer 1

Answer:

Weight of Na  

2

​  

CO  

3

​  

=ag

Weight of NaCl=bg

a+b=H

Only Na  

2

​  

CO  

3

​  

 reacts  

In 15 ml, M eq of Na  

2

​  

CO  

3

​  

= M eq of HCl

→50∗  

10

1

​  

=5

M eq of Na  

2

​  

CO  

3

​  

 in 250ml = \frac {5 * 250} {25}

→50

Explanation:

use this type of answer to calculate u r answer