What is a test for iron(III) compounds?
Using thiocyanate ions to give a red complex. During the session I will go through the reaction mechanism and evaluation of soluble / insoluble products.
AS
Related Chemistry A Level answers
All answers ▸What chemical test can be used to differentiate between alkenes and alkanes. Describe and explain the results.
How do I calculate the percentage by mass of a metal within an impure substance?
When 80.0cm^3 of 0.500 M hydrochloric acid was added to 1.75g of impure CaCO3, not all HCl reacts. The unreacted HCl required 22.4 cm^3 of a 0.500 M solution of NaOH for complete reaction. Calculate percentage by mass of CaCO3 in the impure sample.
What is the pH of a 25 ml sample of 0.2 M sulfuric acid? What is the pH after 5 ml of 0.25 M sodium hydroxide is added?