Please help and if you can show the steps please.?

2016-05-10 6:11 am
Josh titrates 40mL of HCI solution of unknown concentration with a .55M NAOH solution. If it takes 24.64 ml to reach the equivalence point, what is the molarity of HCI.

回答 (1)

2016-05-10 7:17 am
✔ 最佳答案
HCl + NaOH → NaCl + H₂O
Mole ratio HCl : NaOH = 1 : 1

No. of moles of NaOH = (0.55 mol/L) × (24.64/1000 L) = 0.01355 mol
No. of moles of HCl = 0.01355 mol
No. of moles of HCl = (0.01355 mol) / (40/1000 L) = 0.3388 M


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