14028599
Descripción
Fichas por I Shouldn't be awake, actualizado hace más de 1 año
|
Creado por I Shouldn't be awake
hace alrededor de 6 años
|
|
| Pregunta | Respuesta |
| What titration | MnO4- |
| Step 1. | Std. sol KMnO4 added to burette |
| Step 2. | Pipette measured volume of solution being analysed to conical flask with an excess of dilute H2SO4 to provide H+ for reduction of MnO4- |
| Step 3. | During titration MnO4- solution reacts and is decolourised as it's added. |
| What's the endpoint? | The first permanent pink colour, indicating an excess of MnO4- |
| Step 5. | Repeat titration until you get two concordant titres w/in 0.10+- cm3 of each other. |
| Reading meniscus | From top |
¿Quieres crear tus propias Fichas gratiscon GoConqr? Más información.