Which of the following is NOT an empirical formula?
Question 4 options:

SF6

CCl4

C2H6

H2CO3

How do you know when a chemical reaction has occurred

Astudent completes a titration by adding 12.0 milliliters of naoh(aq) of unknown concentration to 16.0 milliliters of 0.15 m hcl(aq). what is the molar concentration of the naoh(aq)? 1)5.0 m 2)0.20 m 3)0.11 m 4)1.1 m

What is the name of the enzyme that forms at the start of transcription?