set up equipment as shown, measure 100ml water with a measuring cylinder and place in a beaker, place on gauze, add a thermometer and record temperature, add 5 level spatulas of salt to beaker, start a timer and stir until dissolved, record the time taken to dissolve in a results table, turn on the Bunsen and use a blue flame to heat the water for 20 seconds turn off Bunsen, record the new temperature, add a spatula of salt, start a timer and stir until dissolved , record second time in a table, turn on Bunsen for 40 seconds, turn off the Bunsen, add 1 spatula of salt, start a timer and stir until dissolved, repeat all of the above twice more and calculate an average.

Modelling investigation dissolving method

Afdrukken
Embedden

Scorebord

Visuele stijl

Opties

Template wisselen

Automatisch opgeslagen activiteit "" herstellen?