OCR A-Level Chemistry A June 2019 Paper 1 [Walkthrough and Tutorial]

[@jit5670]

this man is gonna single handily save my A levels

[@bismahahmed8164]

At 50.00 why do we multiply by mr of whole thing n not just iron when we want to find iron in tablet?

[@kiransumra5576]

it asks for the mass of iron gluconate overall so you add mr of iron gluconate