Question

The concentration of a mgso4 solution having the same ionic strength as that of a 0.1m naso4 solution is

Answer 1

Answer:

Explanation:

mgSO  

4

​  

→Cu  

+2

+SO  

4

−2

​  

 

0.1                      0.1          0.1

Al  

2

​  

(SO  

4

​  

)  

3

​  

→2Al  

+3

+3SO  

4

−2

​  

 

0.1                       0.2              0.3

Total ionic strength =  

2

1

​  

ΣcZ  

2

 

                               =  

2

1

​  

[0.1×2  

2

+0.1×2  

2

+0.1×2×3  

2

+0.1×3×2  

2

]=0.19