7 If 0 3 mol of BaCl2 is mixed with 0 1 mol of Na2SO4 then

Last updated: 7/2/2023

7 If 0 3 mol of BaCl2 is mixed with 0 1 mol of Na2SO4 then the mass of precipitate formed is Atomic mass of Ba is 137 u 1 36 2 g 2 42 1 g 3 46 6 g 4 23 3 g 3 The weight of the residue obtained on strongly heating 21 g of MgCO3 is 1 10 g 3 7 g 2 12 g 4 15 g