Help please due soon

Question

determine the number of moles NaOH dispensed from the burst to completely react with KHP.

28 mL were dispensed.

how do I get this to moles? My numbers aren’t coming out right.

Answer 1

Since the sodium hydroxide solution is 0,1 M, that means it had in it 0.1 moles/liter. If you dispensed 28mL of NaOH, that would be the same as 0.028 liters of it.

Since the balanced chemical reaction equation is:

KHP + NaOH → KNaP + H₂O

We can see that for every 1 mole of NaOH, 1 mole of KHP is neutralized meaning 0.0028 moles of KHP was neutralized. And since the concentration of KHP was also 0.1 M, you would neutralize 0,028 liters (or 28 mL) of KHP.