1.

A solution is obtained by mixing 100 ml of 1M NaCl, 100 ml of 1M MgCl_(2), 300 ml of 1M Mg (NO_(3))_(2) and finally diluted to 1000 ml. Which of the following is incorrect for final concentration of ions ?

Answer»

`[Na^(+)] = 0.1 M`
`Mg^(+2) = 0.4 M`
`[Cl^(-)] = 0.2 M`
`[NO_(3)^(-)] = 0.6 M`

Solution :`[Cl^(-)] = 0.1 + 0.2 = 0.3` mole/litre


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