The gram formula mass (GFM) of a substance is known as the mass of one mole. Relative atomic masses of selected elements can be found in the SQA Data Booklet.These can be used to calculate the ...
2.25 \ moles \ O_{2} \leftarrow \rightarrow 1.5 \ moles \ Fe_{2}O_{3} \) Calculate the mass of reactant needed using the moles calculated in step 3 and the gram formula mass of the reactant.
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