Chemistry - Rates Of Reaction

Concentration of hydrochloric acid vs magnesium ribbon - experiment

To Complete This Experiment You Will Need

• Sulfuric acid at three concentrations: 0.5 mol dm⁻³, 1 mol dm⁻³, and 2 mol dm⁻³

• Magnesium ribbon

• A ruler and scissors

• A 10 cm³ syringe

• Test tubes o

• A test tube rack

• A stopwatch

• Safety goggles

Use the syringe to measure 25 cm³ of your first acid concentration and pour it into a test tube. Cut a 5 cm piece of magnesium ribbon, drop it into the acid, and start the stopwatch at the exact moment it touches the liquid. Watch the reaction closely you will see bubbling as hydrogen gas is produced and stop the timer the moment the magnesium has fully disappeared and bubbling has stopped. Record your time in seconds. Repeat this process for each concentration (0.5, 1, and 2 mol dm⁻³), making sure to rinse out the syringe between concentrations and use a fresh test tube each time to keep the experiment fair. Do each concentration three times so you can calculate an average.

After Completing The Experiment You Should Then Create A graph Similar to mine Here