The mass of `Na_(2)CO_(3)` required to prepare 250 ml of 0.1M solution is

Calculate the mass of anhydrous Na_2CO_3 required to prepare 250 ml 0.25 M solution .

Calculate the amount of 95% pure Na_(2)CO_(3) required to prepare 5 litre of 0.5 M solution.

The mass of NaCl required to prepare 0.3 m aqueous solution in 1kg water is

The amount of oxalic acid required to prepare 300 mL of 2.5 M solution is : (molar mass of oxalic acid = 90 g mol^(–1) ) :

The mass of NaCl required to prepare 0.2 m aqueous solution in 1kg water is

The mass of NaCl required to prepare 0.1 m aqueous solution in 1kg water is

The mass of NaCl required to prepare 0.04 m aqueous solution in 1kg water is

The mass of NaCl required to prepare 0.06 m aqueous solution in 1kg water is

The mass of NaCl required to prepare 0.08 m aqueous solution in 1kg water is

The mass of NaCl required to prepare 0.09 m aqueous solution in 1kg water is