A small, hard-shelled fossil that resembles a modern-day ocean organism was found in the desert.
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What can geologists conclude about this desert?
These shelled organisms migrated from the ocean to the desert.
Prehistoric man enjoyed eating shelled organisms in the desert.
A glacier once moved across the desert sands.
The desert was once covered by ocean water.

What is the chemical formula of the following compound

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.

What is the mass of 2.00 l of an intravenous glucose solution with a density of 1.15 g/ml?