formic acid is a weak acid with a ka value of 1.8x10^-4 at 25 celsius a solution with a concentration of .424M formic acid is prepared in a laboratory.

Question

1) Write the ionization equation for an aqeous solution of formic acid
2)determine the ph of the solution prepared above.
i think i got part 1 but i don't know how to do part 2 :l

Answer 1

Set up an ICE chart.
.........HCOOH + H2O --> H3O^+ + HCOO^-
I.......0.424.............0........0
C........-x...............x........x
E.....0.424-x.............x........x

Substitute the E line into the Ka expression for HCOOH and solve for x = (H3O^+), then convert that to pH.

Answer 2

klbjk.

Answer 3

which one is acid and which one is base?