How much `BaCl_(2)` would be needed to make `250 mL` of a solution having same eoncentration of `Cl^(o+)` as the one containing `3.78 g` of `NaCl` per `100 mL`.

The molality of 1 M solution of sodium nitrate is 0.858 mol kg^(-1) . Determine the density of the solution. How much BaCl_(2) would needed to make 250 L of a solution having same concetration of Cl^(ɵ) as the one containing 3.78 g of NaCl per 100 mL ?

How much BaCl_2 would be needed to make 250mL of a solution having same concentration of Cl^(-) as the one containing 3.78 g of NaCl per 100 mL?

How much BaCl_(2) (in gm) would be needed to make 250 ml of a solution having the same concentration of Cl^(-) as one containing 1.825 gm HCl per 100 ml? (Ba = 137)

How many g of NaOH will be needed to prepare 250 mL of 0.1 M solution?

How much NaNO_3 must be weighed out to make 50 ml of an aqueous solution containing 70 mg Na^(+) per ml?

How much NaNO_3 must be weighed out to make 50 ml of an aqueous solution containing 70 mg Na^(+) per ml?