Anhydrous iron(II) gluconate, Fe(C6H11O7)2\text{Fe}(\text{C}_6\text{H}_{11}\text{O}_7)_2Fe(C6H11O7)2, is an iron supplement used to treat or prevent low blood iron levels.
A typical therapeutic tablet of this supplement contains 34.0 mg34.0\text{ mg}34.0 mg of iron.
Calculate the mass, in g\text{g}g, of anhydrous iron(II) gluconate in a typical tablet. Give your answer to three significant figures.
[Use relative atomic masses: H=1.0,C=12.0,O=16.0,Fe=55.8]\left[\text{Use relative atomic masses: } \text{H} = 1.0, \text{C} = 12.0, \text{O} = 16.0, \text{Fe} = 55.8\right][Use relative atomic masses: H=1.0,C=12.0,O=16.0,Fe=55.8]
199 exam-style questions on OCR A A Level Chemistry Atoms and reactions, covering Atomic structure and isotopes, Compounds, formulae and equations, Amount of substance, Acids, and Redox. Each one has a worked solution and a mark scheme showing where the marks go.