8. A student used a buret with a chipped tip to standardize a NaOH solution. The student titrated to a pale pink endpoin

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8 A Student Used A Buret With A Chipped Tip To Standardize A Naoh Solution The Student Titrated To A Pale Pink Endpoin 1 (45.81 KiB) Viewed 12 times

8. A student used a buret with a chipped tip to standardize a NaOH solution. The student titrated to a pale pink endpoint. Will this student's calculated NaOH molarity be higher, lower, or no different from the true value? Explain. 9. A student used M₁V₁ = M2 V2 to calculate the molarity of citric acid in the soft drink. Will the student's calculated molarity of citric acid be higher, lower, or no different than the true value? Explain. 10. Instead of using HCI to standardize NaOH a student used potassium hydrogen phthalate, KHC8H4O4 which has a molar mass of 204 g/mole. It required 32.46 mL of NaOH to titrate 1.45 g of KHC8H4O4 to a pale pink endpoint, what is the molarity of the NaOH? KHC8H4O4 + NaOHK+Na+ + C8H4O42- + H₂O