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1) What is the % Ca in 1 mole of CaSO4, CaCl2, and CaCO3?


2) In the quantitative determination of sugars by paper chromatography, the solvent
system being used was n-butanal-pyridine-water at a ratio of 6:4:3. What will be
the volume percent of each component?

Please kindly answer the Questions. Thank you!​