buffer - HOCl (aq) OCl-(aq) + H + (aq) [buffer equilibrium]...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
Design-a-Buffer 8.5 pH Jillian Motyl TA: Matt Trahan
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Design a Buffer 0.1 M buffer total volume 100 mL at 25º C with a pH of 8.5 Buffer: Hypochlorous acid and sodium hypochlorite Chemical formula: HClO and NaClO pK a of HClO: 7.597 Molar mass of HClO: 52.46 g/mol Molar mass of NaClO: 74.44 g/mol Structure: HClO NaClO In aqueous solution, hypochlorous acid partially dissociates into the anion hypochlorite:
Background image of page 2
Background image of page 3
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: HOCl (aq) OCl-(aq) + H + (aq) [buffer equilibrium] Molar concentration of HClO needed: 0.0798 mol [see calculation below] Molar concentration of NaClO needed: 0.6376 mol [see calculation below] Mass of HClO needed: 0.001521 grams Mass of NaClO needed: 0.008565 grams...
View Full Document

Page1 / 3

buffer - HOCl (aq) OCl-(aq) + H + (aq) [buffer equilibrium]...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online