Question 34
In this investigation, 10 cm³ of dilute hydrochloric acid is tested with three drops of Universal Indicator. Sodium hydroxide solution is added in 2 cm³ portions, up to 12 cm³ in total. Use your own observations and the pH chart.
What did you observe when an equal amount of sodium hydroxide solution (10 cm³) was added to 10 cm³ of dilute hydrochloric acid? Explain what happened.
What did you observe when an equal amount of sodium hydroxide solution (10 cm³) was added to 10 cm³ of dilute hydrochloric acid? Explain what happened.
