111 QUIZ 3A

111 QUIZ 3A - (OVER CHEMISTRY 111 – Fall 2004 LAB QUIZ#3A...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
25 Points NAME________________________________LAB SECTION#___________________ 1(5 pts) Write a balanced chemical equation for the reaction of sodium oxalate with calcium nitrate. . 2. (4 pts) A student titrated a 30.0 mL sample of hard water. If it took 18.55 mL of a 1.74x10 -2 M EDTA solution to reach the endpoint. What was the molarity of the water sample? ______________________ 3. (5 pts) If 42.8 g of CaBr 2 (F.W. 200.0 g/mole) was added to 1.75 L of water, how many degrees Celsius would the boiling point be raised? (K b of water = 0.512ºC Kg/mole) (Assume density of water = 1 g/mL)
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: _______________________ (OVER) CHEMISTRY 111 – Fall 2004 LAB QUIZ #3A 4. (4 pts) Write a balanced chemical equation for the reaction of carbon dioxide and water. 5. (7 pts) A student started with 0.822 g of KHP (F.W. = 204.3g/mole) and it took 31.77 mL of NaOH to reach the endpoint. The student then added 50.0 mL of a 0.302 M HCl to a sample of NaHCO 3 (F.W. = 84.0 g/mole). If it took 13.49 mL of NaOH to reach the endpoint, how many grams of NaHCO 3 were in the sample? ______________________________ (OVER)...
View Full Document

This note was uploaded on 04/12/2008 for the course MODL 398 taught by Professor Amano during the Spring '08 term at UNL.

Page1 / 2

111 QUIZ 3A - (OVER CHEMISTRY 111 – Fall 2004 LAB QUIZ#3A...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online