Answer / kristine

In this experiment, I am to determine the amount of CaO in
limeston. BUT I don't understnad why I am doing this
procedures.

1. preparation of 0.02M potassium permanganate (to use as
titrant)
2.standardization of potassium permanganate solutions
(WHY?)
3. titrate sodium oxoalate with KMnO4 permanganate (WHY?)

determination of calcium in a limestone

4. sample preparation
5. precipitation of calcium oxalate (WHY?)
6. titrate calcium oxalate with KMnO4 permanganate (WHY?)

how am I suppose to calculate the % of CaO from this
experiment?

inhouse product is in capsule form in combination and RLD is in tablet form then can we proceed for multimedia CDP? in inhouse capsule product disso is paddle with sinker in release media is there then RLD product in tablet form then with same as paddle with sinker we can proceed n.a.?

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