06 Notes - Neutralization

06 Notes - Neutralization - Aim: W hat is occurring in a...

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Aim: What is occurring in a neutralization reaction? QQ: What is the pH of a 2.9x10 -8 M solution of HNO 3 ? Do Now: What are the products of a neutralization reaction? Acid (aq) + Base (aq) Salt (aq) + Water (l) The identity of the salt depends on what acid and base are used to neutralize one another… HCl (aq) + NaOH (aq) NaCl (aq) + H 2 O (l) H 2 SO 4 (aq) + 2 KOH (aq) K 2 SO 4 (aq) + 2 H 2 O (l) Titrations: Technique used to determine the concentration of an unknown acid or base through a neutralization reaction. The endpoint is reached when the moles of H + and the moles of OH - are equal. [H + ] = [OH - ] The pH of the “neutralized” substance will not always be equal to 7… __________________________________________________________________________________ Strong Acid + Strong Base pH = 7 HCl (aq) + NaOH (aq) NaCl (aq) + H 2 O (l) NaCl is a neutral salt Strong Acid + Weak Base pH < 7 HCl (aq) + NH 3 (aq) NH 4 Cl (aq) NH 4 Cl is an acidic salt Weak Acid + Strong Base
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06 Notes - Neutralization - Aim: W hat is occurring in a...

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