Galena (an ore) is partially oxidised by passing air through it at high temperature. After some time the passage of air stopped, but the heating is continued in a closed furnace such that the contents undergo self-reduction. The weight (in kg) of Pb produced per kg of `O_(2)` consumed is_ ,
`"Atomic weights in g mol"^(-1): O =16,S=32,Pb=207`

Galena (an ore) is partially oxidized by passing air through it at high temperature After some time, the passage of air is stopped, but the heating is continued in a closed furnance such that the contents undergo self-reduction.The weight (in kg) of Pb produced per kg of O_2 consumed is _____. Atomic weights in g mol^(-1) =O=16,S=32,Pb=207)

Galena (an ore) is partially oxidized by passing air through it at high temperature. After some time, the passage of air is stopped, but the heating is continued in a closed furnace such that the contents undergo self-reduction. The weight (in kg) of Pb produced per kg of O_(2) consumed is ____. (Atomic weights in g mol^(1) : O = 16, S = 32, Pb = 207)

The ammonia prepared by treating ammonium sulphate with calcium hydroxide is completely used by "NiCl"_(2).6H_(2)O to form a stable coordination compound. Assume that both the reactions are 100% complete. If 1584 g of ammonium sulphate and 952 g of "NiCl"_(2).6H_(2)O are used in the preparation, the combined weight (in grams) of gypsum and the nickel- ammonia coordination compound thus produced is ____. (Atomic weights in g "mol"^(-1) : H = 1, N = 14, O = 16, S = 32, Cl = 35.5, Ca = 40, Ni = 59)

The ammonia prepared by treating ammonium sulphate with calcium hydroxide is completely used by NiCl_(2), 6H_(2)O to form a stable coodinate compound. Assume that both the reaction are 100% complete. If 1584g of ammonium sulphate and 952g of NiCl_(2). 6H_(2)O are used in the preaparation the combined weight (in grams) of gypsum and the nickel-ammonia coordination compound thus produced is Atomic weight is g mol^(-1): H-1, N=14, O=16, S=32, Cl=35.5, Ca=40, Ni=59)

Ammonia prepared by treating ammonium sulphate with calcium hydroxide is completely used NiCl_2.6H_2O to form a stable coordination compound. Assume that both the reactions are 100% complete. If 1584 g of ammonium sulphate and 952 g of NiCl_2.6H_2O are used in the preparation, the combined weight (in grams) of gypsum and the nickel - ammonia coordination compound thus produced is _____. (Atomic weights in g mol^(-1) : H=1,N=14,O=16 , S=32, Cl=35.5 , Ca=40 , Ni=59)