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Chemistry: Post your doubts here!
2- Mols of S2O3 = Mols of Cu. Mols of S2O3= 0.02 = mol/(19.5/1000) = 0.00039 mol 0.00039 mol in 50cm3 so [Cu2+] = 0.00039/(50/1000) = 0.0078 mol/dm3 mols of copper in 50cm3 = 0.00039 mols of copper in 100cm3 = 0.00078 mass of copper in 100cm3 = 0.00078*63.5 = 0.0495 (this value is mass /... -
Chemistry: Post your doubts here!
Don't bother with this ancient stuff. Read the stuff at chemguide.co.uk. The cambridge booklet is so horribly mundane and full of crap.