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  1. X

    Help with chemistry?!!!!!!!?

    Why is Chlorine gas given off at the positive electrode in a Copper Chloride solution? Please help. I'm new to chemistry
  2. X

    help with chemistry for 10 points?

    2Mg + O2 = 2MgO Calculate the mass of magnesium oxide produced when 0.36g of magnesium react with oxygen. please help! Can you show me how to work it out?
  3. X

    Hard chemistry question!?

    In a volumetric titration experiment, 24.52mL of 0.1 mol L(minus 1) sodium hydroxide was required to completely neutralise 25.00mL of sulfuric acid. Determine the exact concentration of the sulfuric acid. Please help!
  4. X

    Please help with chemistry?!!?

    In a solution of 0.01 mol of H2SO4 per litre,what are the values of.... [SO42] [H+] [HO(minus)] Help!
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