What volume of `HNO_3` (sq.gravity `1.05 gmL^(-1)` containing `12.6(w/W)` of `HNO_3`) that reduce into NO is required to oxidise iron `g FeSO_4. 7H_2O` in acid medium is :

MnO_4^(-) ions are reduced in acidic condition to Mn^(2+) ions whereas they are reduced in neutral condition to MnO_2 . The oxidation of 25 ml of a solution X containing Fe^(2+) ions required in acidic condition 20 ml of a solution Y containing MnO_4^(-) ions. What volume of solution Y would be required to oxidise 25 ml of solution X containing Fe^(2+) ions in neutral condition ?

What volume of HCI solution of density 1.2g/cm^3 and containing 36.5% by mass HCI , must be allowed to react wtih zinc (Zn) in order to liberate 4.0 g of hydrogen ?

What volume of 10%(w/v) solution of Na_2CO_3 will be required to neutralise 100 mL of HCl solution containing 3.65 g of HCl?

Concentrated aqueous sulphuric acid is 98% H_2SO_4 by mass and has a density of 1.80gmL^-1 . Volume of acid required to make one litre of 0.1 M H_2SO_4 is

A given volume of ozonised oxygen (containing 60% oxygen by volume ) required 220 sec to effuse while an equal volume of oxygen took 200 sec only under identical conditions. If density of O_(2) is 1.6 g/L then find density of O_(3) .

32g of a sample of FeSO_(4) .7H_(2)O were dissolved in dilute sulphuric aid and water and its volue was made up to 1litre. 25mL of this solution required 20mL of 0.02 M KMnO_(4) solution for complete oxidation. Calculate the mass% of FeSO_(4) .7 H_(2)O in the sample.

How many grams of potassium dichromate are required to oxidise 20.0 g of Fe^(2+) in FeSO_4 to Fe^(3+) if the reaction is carried out in an acidic medium? Molar masses of K_2Cr_2O_7 and FeSO_4 are 294 and 152 respectively.

P_4O_6 reacts with water according to equation: P_4O_6+ 6H_2O rarr 4H_3PO_3 Calculate the volume of 0.1 M NaOH solution required to neutralise the acid formed by dissolving 1.1 g of P_4O_6 in H_2O .

Conc. H_2SO_4 is 98 % H_2SO_4 by mass has d= 1.84 "g, cm"^(-3) Volume of acid required to make one litre of 0.1 M H_2SO_4 is:

20mL of H_(2)O_(2) solution is reacted with 80 mL of 0.05 M KMnO_(4) "in acidic medium then what is the volume strength of" H_(2)O_(2) ?