Write down the principle on which separation of the components of mixture based. name any three mixture which can be separated by chromatography .

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What element is in the lathanide family?

Name the intersection of plane bpq and plane cpq.

Achemistry student weighs out 0.306 g of citric acid (h3c6h5o7), a triprotic acid, into a 250 ml volumetric flask and dilutes to the mark with distilled water. he plans to titrate the acid with 0.1000 m naoh solution. calculate the volume of naoh solution the student will need to add to reach the final equivalence point. be sure your answer has the correct number of significant digits.