Saved Bookmarks
| 1. |
Calculate the mass of chloride ion in `1` litre of: (a) `10%` by weight of `NaCl` solution having density `1.07 g// mL`, and (b) `10%` by weight of `AlCl_(3)` solution having density `1.10 g//mL`. |
|
Answer» (a) `100 g NaCl` solution `-= 10 g NaCl` `(100)/(1.07)mL NaCl` solution `-=10 g NaCl` `:. 1000mLNaCl` solution `=(10xx1000xx1.07)/(100)g NaCl` `=(10xx1000xx1.07)/(100)xx(35.5)/(58.5)= 64.93 Cl^(-1) "ions"` (b) Similarly of `BaCl_(2)` wt. of `Cl^(-)` ion `=(10xx1000xx1.10)/(100)xx(2xx35.5)/(208)= 37.55 g` |
|