chemistry
posted by jessica .
if 10 ml of a 2M standard solution is used to neutralize 20mL of an unknown base what is the molarity of the unknown and is this standard solution an acid or base?

What's the equation? If the ratio is 1:1; i.e., HA + BOH ==> H2O + BA
then 10 x 2 = 20 x M
Solve for M.