2. Titration Analysis of Potassium Asstate Using the following titration lab data, determine the unknown concentration of the potassium acetate sample. Volume of 2.50 mol/L HNO3(-) required to react with a 10.00 mL sample of KCH3COO (10) Trial Indicator Colour Final Burrett Reading (mL) 7.40 Initial Burrett Volume of Reading (mL) HNO3(aq) added (mL) 0.50 Yellow 2 13.60 7.40 Orange 3 19.70 13.60 Orange 26.00 19.70 Orange A) Determine the mass of potassium acetate in the sample.(4 marks) B) If the theoretical mass of the potassium acetate in the sample was 1.65 g, calculate the percent yield. (1 mark)