1) Write the formation equation, balance and name all the reactants: a) ferrous sulfite b) aluminum hydroxide c) periodic acid d) nitrate aurous e) hypobromite acid ) phosphoric oxide B) sodium carbonate 2) calculate the molecular weights of all the above compounds 3) a) What is a solution and what is the difference between solute and solvent? b) How are solutions classified according to the amount of solute present? What is solubility and what factors does it depend on? d) What does PH mean, what is it used for? Explain the PH scale and give 2 examples of acid solutions and two examples of acid that you know 4) I am in the laboratory and I found 4 bottles with the labels indicated below explaining the meaning of each a) Bottle 1: 20% V / V sulfuric acid solution b) Bottle 2: 48% m / m sodium hydroxide solution c) Bottle 3: 78% m / V calcium sulfate solution d) Bottle 4: 0.3 M solution of phosphate auric 5) a) Calculate the concentration of a solution that is obtained by mixing 350 ml of nitric acid with 600 ml of water b) What amount of salt is in 250 ml of a 95% m / v solution of calcium nitrate?