6. Titrate 50.0 cm3 of an aqueous solution of nitric acid, HNO3, with 75.0 cm3 of an aqueous solution of sodium hydroxide, NaOH, concentration 1.0 × 10 -2 -3 mol.dm, 25 º C. 6.1. Write the equation expressing the neutralization reaction between HNO3 (aq) and NaOH (aq). 6.2. Please indicate which solution you’ll find it in the burette and the solution that will found in the flask (Erlenmeyer). 6.3. Sort of true or false the following statements, correcting these latest: A. The solution pH is below 7 B. The initial concentration of nitric acid solution is 1.0 × 10 -2 -3 mol.dm C. The phenolphthalein (watershed area from 8.3 to 10.0) is a suitable indicator to detect the equivalence point in this titration.
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