An organic compound, z, will react with calcium metal to produce a salt with the empirical formula
cac4h6o4.
what could be the identity of z?
1 ethanoic acid
2 butanedioic acid
3 methylpropanedioic acid

What is the equilibrium constant of aa+bb=cc+dd

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

What can be found in the ionosphere