The sulfate ion
The sulfate ion
A sulfate contains the sulfate ion, SO42−\text{SO}_4^{2-}SO42−. The ion is a negatively charged group of atoms found in sulfate salts such as sodium sulfate, Na2SO4\text{Na}_2\text{SO}_4Na2SO4.
Step-by-step lessons on AQA GCSE Chemistry 8.3.5 Sulfates. Each one builds up to exam-style questions. Nail the core quantitative topics — moles, balancing equations and calculations — early on, since they underpin higher-tier questions across every paper and topic.