Which metal has a soluble carbonate chloride and sulfate

The molecular formula for caffeine is cshion402. which of the following elements is not found in caffeine?

Ascientist wants to know how individual lions within a pride interact with each other in their own environment. to do this, the scientist sedates and tags all of the lions within a pride. then, he places several remotely-controlled video cameras near the lions' den and performs an observational field study. he collects continuous video footage over the span of one year, analyzes the video, and then forms conclusions based on his observations.

Acompound has the molecular formula c3h8. which class of organic compounds does it belong to?