concentration of KHP and the dependent variable is the factor being measured

# Concentration of khp and the dependent variable is

This preview shows page 1 - 4 out of 7 pages.

concentration of KHP and the dependent variable is the factor being measured, the concentration of NaOH. The control would be the indicator, phenolphthalein. Procedure and Materials
Number of Moles = Mass Molecular weight = Molarity · Volume Mass 39.97 g / mol = 1M · 0.1 L Theoretical mass of NaOH = 3.9842 g Part 2: Preparation of 0.1 M NaOH solution M 1 V 1 = M 2 V 2 (1 M) (V 1 ) = (0.1 M) (100 mL) 0.1 · 100 1 = 10 mL of original stock Part 3: Dried KHP Theoretical mass of KHP = Molarity · Volume · Molecular Weight = (0.1 M) (0.025 L) (201.22 g/mol) 0.51055 g of KHP I. Titration (Standardization of NaOH) Table 1 The above table shows the mass of KHP added to the Erlenmeyer flasks for titration for each trial. The table also displays the initial and final volumes of NaOH for each trial and the volume of NaOH used. The molarity of NaOH calculated from the amount of NaOH used in the titration is also shown for

#### You've reached the end of your free preview.

Want to read all 7 pages?

### What students are saying

• As a current student on this bumpy collegiate pathway, I stumbled upon Course Hero, where I can find study resources for nearly all my courses, get online help from tutors 24/7, and even share my old projects, papers, and lecture notes with other students.

Kiran Temple University Fox School of Business ‘17, Course Hero Intern

• I cannot even describe how much Course Hero helped me this summer. It’s truly become something I can always rely on and help me. In the end, I was not only able to survive summer classes, but I was able to thrive thanks to Course Hero.

Dana University of Pennsylvania ‘17, Course Hero Intern

• The ability to access any university’s resources through Course Hero proved invaluable in my case. I was behind on Tulane coursework and actually used UCLA’s materials to help me move forward and get everything together on time.

Jill Tulane University ‘16, Course Hero Intern