(record your final answer rounded to the correct significant digits and the proper units.) 1. A neutralization reaction occurs when phosphoric acid reacts with sodium hydroxide solution. Calculate the concentration (in mol/L) of a phosphoric acid solution if 37.9 mL of H3PO4(aq) requires 0.377 mol of NaOH(aq), for complete neutralization. 2.Calculate the mass of precipitate (in g) produced when 50 mL of 4.00 mol/L sodium hydroxide solution is reacted with excess aluminium nitrate solution.

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