34 g of hydrogen peroxide is present in ...

34 g of hydrogen peroxide is present in 1135 mL of solution. Volume strength of solution is

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Hydrogen peroxide (H_2 O_2) was first prepared by Thenard by acidifying barium peroxide and removal of excess water by evaporation under reduced pressure. Its strength can be expressed as weigth percentage or as volume percentage . 25% solution by weight means 25 g of hydrogen peroxide are present in 100 g of solution and 25 volume of hydrogen peroxide means that 1 litre of this solution will give 25 L of oxygen at NTP. Calculated the strength of 25 volume solution of H_2 O_2 .

Hydrogen peroxide (H_2 O_2) was first prepared by Thenard by acidifying barium peroxide and removal of excess water by evaporation under reduced pressure. Its strength can be expressed as weigth percentage or as volume percentage . 25% solution by weight means 25 g of hydrogen peroxide are present in 100 g of solution and 25 volume of hydrogen peroxide means that 1 litre of this solution will give 25 L of oxygen at NTP. Why can dilute solution of hydrogen peroxide not be concentrated by heating ?

Hydrogen peroxide (H_2 O_2) was first prepared by Thenard by acidifying barium peroxide and removal of excess water by evaporation under reduced pressure. Its strength can be expressed as weigth percentage or as volume percentage . 25% solution by weight means 25 g of hydrogen peroxide are present in 100 g of solution and 25 volume of hydrogen peroxide means that 1 litre of this solution will give 25 L of oxygen at NTP. Can we use anhydrous barium peroxide for the preparation of H_2 O_2 ?

4.9 g of sulphuric acid is present in 500 mL of the solution. Calculate the pH of the solution.

15g of methyl alcohol is present in 100 mL of solution. If the density of solution is 0.96 "g mL"^(-1) , calculate the mass percentage of methyl alcohol in solution.

What mass of sodium hydroxide must be dissovled in 500 mL of solution so that the strength of the solution may be 10 g/L ?

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