An ore contains 1.34% of the mineral argentite, `Ag_(2)S`, by mass. How many gram of this ore would have to be processed in order to obtain 1.00 g of pure solid silver, Ag?

A sample of argentite ore contains 1.34% of Ag_(2)S by mass. How many grams of this ore would give 1g of Ag on extraction?

How many grams of Cu(NO_(3))_(2) would you need to take to get 1.00 g of copper? Cu = 63.5, N = 14, O = 16 .

How many grams of Cu(NO_(3))_(2) would you need to take to get 1.00 g of copper? Cu = 63.5, N = 14, O = 16 .

How many grams of Cu(NO_(3))_(2) would you need to take to get 1.00 g of copper? Cu = 63.5, N = 14, O = 16 .

How many grams of a non volatile solute having a molecular mass of 90 g/mole are to be dissolved in 97.5 g water in order to obtain relative lowering in the vapour pressure of 2.5 percent: