Calculate the quantity of sodium carbonates(anhydrous ) required to prepare ` 250 ml ` solution

Calculate the quantity of sodium carbonate (anhydrous) required to prepare 250mL (M)/(10) solution.

Calculate the mass of sodium carbonate required to prepare 500 ml of a semi- normal solution

Calculate the mass of sodium carbonate required to prepare 500 ml of a semi- normal solution

Calculate the weight of anhydrous sodium carbonate required to prepare 250ml of decimolar solution.

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

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

What weight of sodium hydroxide should be dissolved to prepare 250 ml of 0.2 M solution ?

Calculate the amount of Ca (OH)_(2) required to be dissolved to prepare 250 mL aqueous solution of pH=12.