Concentration of KHP: 1 2 3
Final Burette Reading/mL
Initial Burette Reading/mL
Volume Used/mL

Average Volume of Sodium Hydroxide =
ANALYSIS:
1. Determine the number of moles of KHP in the 10mL aliquot used.

2. Use the equation below and your answer in (1) above to determine the number of moles of NaOH.
NaOH(aq) + KHC8H4O4(aq) → KNaC8H4O4(aq) + H2O(l)

3. Calculate the molarity of NaOH.

Which statement correctly describes the phosphate ion, ? it is composed of one phosphorus atom and four oxygen atoms covalently bonded together, and there is a –3 charge distributed over the entire ion. it is composed of one phosphorus atom and four oxygen atoms covalently bonded together, and there is a –3 charge on the phosphorus atom. it is composed of one phosphorus atom and four oxygen atoms ionically bonded together, and there is a –3 charge distributed over the entire ion. it is composed of one phosphorus atom and four oxygen atoms ionically bonded together, and there is a –3 charge on the phosphorus atom.