Quinone which is used in the dye industry and in photography, is an organic compound containing only carbon hydrogen and oxygen. What is the empirical formula of the compound if you find that 0.105g of the compound gives 0.257g of CO2 and 0.0350g of H2O when burned completely? Given a molecular weight of approximately 108g/mol, what is it's molecular formula?

You encounter a solution that is acidic and you decide to test it by adding a small amount of a strong acid. the ph lowers slightly but is approximately unchanged, and still remains acidic. what can you say about the solution? a. it is a buffer solution. b. it is not a buffer solution it is a strong acid solution. d. the solution has been neutralized. e. the solution has excess acid present

How do i complete this electrolysis of water lab? i’m at home, so i don’t have the materials, and the lab didn’t properly work and was incomplete at school.

(1.6 × 10-19)(5.0 × 106) = c × 10d identify the missing numbers below to show the result of multiplying the numbers.