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328 gms
65.6 gms Ca(No3)2 = 65.6/164 mole = 0.4 mole
1 mole of Ca( No3)2 produces 1 mole CaO Hence 0.4 mole will produce 0.4 mole CaO
! mole cao = 56 gmms
0.4 mole = 56X 0.4 gms = 22.4 gms
6.4 gms
two moles
Sulphurous acid. On dissolving SO2 in H2O wr get H2SO3
It is conc sulphuric acid . It. dehydrates HCOOH & forms CO
NO
