How many gram of ammonium sulphate will be required to prepare 6.8 g of ammonia by heating ammonium sulphate with caustic soda solution? (H = 1, N = 14, O = 16, S= 32)

How many faraday of electricity is required to liberate 1 mole of copper from a copper sulphate solution ?

How many faraday of electricity is required to liberate 1 mol of copper from a copper sulphate solution?

0.316 g of an organic compound, after heating with fuming nitric acid and barium nitrate crystals in a sealed tube gave 0.466 g of the precipitate of barium sulphate. Determine the percentage of sulphur in the compound. (Atomic masses : Ba = 137, S = 32, O = 16, C = 12, H = 1).

How many gram-mole of HCl will be required to prepare one litre of buffer solution (containing NaCN and HCN) of pH 8.5 using 0.01g formula weight of NaCN?

How many mL of 96%h_2SO_4 solution is necessary to prepare one litre o.1 N h_2So_4 ?

How can H_(2)O_(2) solution be prepared by electrolysing an equimolar mixture of sulphuric acid and ammonium sulphate?

What volume of 2 N K_2Cr_2O_7 solution is required to oxidise 0.81 g of H_2S in acidic medium?

12.25 gm KClO_3 is heated to produe oxygen. How much quantity of Zn is required to produce hydrogen to react with the produced oxygen? (Zn = 65, K = 39, O = 16, Cl = 35.5, H = 1)

Give the percentages of ammonium and sulphate radicals in Mohr salt [(NH_(4))_(2)SO_(4)*FeSO_(4)*6H_(2)O] .