The minimunm amount of hydrogen required to reduce 7.95g of CuO (Mol. mass = 79.5) will be:

Di-hydrogen reduces CuO to

What volume of hydrogen at STP required to reduce 7.95 grams of cupric oxide to give metal?

The amount of electrons required in reduce 1 mol of nitrate ions to hydrazine is

What volume of H_(2) at STP is required to reduce 0.795 g of CuO to give Cu and H_(2)O .

The amount of oxalic acid required to prepare 300 mL of 2.5 M solution is : (molar mass of oxalic acid = 90 g mol^(–1) ) :

The amount of oxalic acid required to prepare 300 mL of 2.5 M solution is : (molar mass of oxalic acid = 90 g mol^(–1) ) :

The amount of current in Faraday is required for the reduction of 1 mol of Cr_2 O_7^(2-) ions to Cr^(3+) is ,