Anybody know how to make a 3L of a 2M solution for Carbon Dioxide ?

Which step in naming unsaturated hydrocarbons is used for alkenes but not alkynes

Which is a chemical property of iron? a. it forms iron oxide (rust) when exposed to moisture and air. b. it is a gray–black metal that is hard to the touch. c. it has a melting point of 2795°f (1536°c). d. it is a good conductor of heat

Which radioisotope is used to date fossils? a. oxygen-16 b. carbon-14 c. uranium-238 d. carbon-12