The concentration of a certain sodium hydroxide solution was determined by using the solution to titrate a sample of potassium hydrogen phthalate (abbreviated as KHP). KHP is an acid with one acidic hydrogen and a molar mass of 204.22 g/mol. In the titration, 34.67 mL of the sodium hydroxide solution was required to react with 0.1082 g KHP. Calculate the molarity of the sodium hydroxide.

Question

jfraser · Answer

find the moles of KHP used in the neutralization (by using mass and molar mass).
the moles of base must be the same, since the ratio is 1:1.
the concentration is moles/volume