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10 Nov 2019
Average molar concentration of acid (mol/L) Molar Mass and the pK_a of a Solid Weak Acid Sample no. _________ Monoprotic or diprotic acid? _________ Suggested mass _____________ Mass of dry, solid acid (g) ____________ Molar concentration of NaOH (mol/L) ________ Buret reading of NaOH, initial (mL) Buret reading NaOH at stoichiometric point, final (mL) Volume of NaOH dispensed (mL) Instructor's approval of pH versus V_NaOH graph Moles of NaOH to stoichiometric point (mol) Moles of acid (mol) Molar mass of acid (g/mol) Average molar mass of acid (g/mol) Volume of NaOH halfway to stoichiometric point (mL) pK_a1 of weak acid (from graph) Average pK_a1 Show calculations for Trial 1 on the next page.
Average molar concentration of acid (mol/L) Molar Mass and the pK_a of a Solid Weak Acid Sample no. _________ Monoprotic or diprotic acid? _________ Suggested mass _____________ Mass of dry, solid acid (g) ____________ Molar concentration of NaOH (mol/L) ________ Buret reading of NaOH, initial (mL) Buret reading NaOH at stoichiometric point, final (mL) Volume of NaOH dispensed (mL) Instructor's approval of pH versus V_NaOH graph Moles of NaOH to stoichiometric point (mol) Moles of acid (mol) Molar mass of acid (g/mol) Average molar mass of acid (g/mol) Volume of NaOH halfway to stoichiometric point (mL) pK_a1 of weak acid (from graph) Average pK_a1 Show calculations for Trial 1 on the next page.