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A2 Chemistry Plan - Emergent - Help please ~~~~
In my plan I just write dissolve FeSO4 solid into water to give the concentration meet, but my teacher said that put Fe into H2SO4 to give FeSO4, which way is right, and then how to control the concentration of FeSO4.
Anyone help me plz ~~~~~~~~~
Thank you very very much, cheers
Anyone help me plz ~~~~~~~~~
Thank you very very much, cheers
number of moles of FeSO4, n(FeSO4) = [FeSO4].Volume(FeSO4).
So if you know the volume of H2SO4 = V(FeSO4), then you can calculate n(FeSO4)
Since n(Fe) = n(FeSO4), you can calculate mass of Fe should be used for that volume of H2SO4.
Or: if you know the mass of Fe, you can calculate n(Fe), hence Volume(FeSO4), which is Volume of (H2SO4)
So if you know the volume of H2SO4 = V(FeSO4), then you can calculate n(FeSO4)
Since n(Fe) = n(FeSO4), you can calculate mass of Fe should be used for that volume of H2SO4.
Or: if you know the mass of Fe, you can calculate n(Fe), hence Volume(FeSO4), which is Volume of (H2SO4)
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