T.mam

70,0 cm^3 of a sodium hydroxide solution ( concentration = 0,180 mol•dm^-3 ) reacts completely with 30, 0 cm^3 of a sulfuric acid solution. Calculate the concentration of the sulfuric acid solution.

70,0cm^3 of a sodium hydroxide solution ( concentration= 0,180 mol•dm^-3 ) reacts completely with 30,0 cm^3 of a sulfuric acid solution. Calculate the mass of the sodium hydroxide used in the titration. ( 0,540 g)

In preparing a standard alkaline solution, a learner dissolve 14,0 g of potassium hydroxide in 1,00 dm^3 of water. In a titration, 30,0cm^3 of the KOH(aq) is neutralised by a sulfuric acid solution with a concentration of 0,100 mol•dm^-3. Calculate the co...

A company buys computers at a cost of 4 million. They expect to replace the computers at the end of 4 years. What annually rate of depreciation will be used if the computers are discarded at the end of 4 years (i.e you may assume that the computers have n...

Write down the depreciated value of the computers year by year for the 4 years