what is the the molarity of the NaOH solution?
2016-10-18 3:31 pm
If 35.00 mL of 0.0200 M aqueous HCl is required to titrate 30.00 mL of an aqueous solution of NaOH to the equivalence point, the molarity of the NaOH solution is?
回答 (1)
2016-10-18 3:37 pm
✔ 最佳答案
HCl + NaOH → NaCl + H₂OOR: Mole ratio HCl : NaOH = 1 : 1
No. of mill-moles of HCl = (0.0200 mmol/mL) × (35.00 mL) = 0.700 mmol
No. of mill-moles of NaOH = 0.700 mmol
Molarity of NaOH solution = (0.700 mmol) / (30.00 mL) = 0.0233 M
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