Pre-Lab Qs - Experiment 3

Pre-Lab Qs - Experiment 3 - textbook to answer this...

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

View Full Document Right Arrow Icon
Name:___________________________ Section _______ Experiment 3 – Purification by Crystallization Pre-lab Questions Read Experiment 3, pages 17-24, in your laboratory manual. After reading the experiment, answer the questions below. Questions are due at the beginning of your laboratory period. 1. You are given an aqueous solution containing both KAl(SO 4 ) 2 (Alum) and Cu(NO3) 2 . What is the solvent? (1 point) 2. The two most common methods of purification are crystallization and distillation. Identify which physical property each of these methods takes advantage of. (You may have to use your
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: textbook to answer this question.) (2 pts) a. Crystallization b. Distillation 3. What does it mean if a solution is saturated? Unsaturated? (2 pts) a. Saturated b. Unsaturated 2 4. How can you experimentally determine if a solution is saturated or unsaturated? (1 pt) 5. If solubility of Alum at the temperature of crystallization and filtration is 20.0 g / 100.0 mL, how much Alum remains in solution if 45.0 mL of saturated filtrate is recovered? (Remember to show your steps, and use correct # significant figures & unit in your answer.) (4 points)...
View Full Document

This note was uploaded on 10/11/2009 for the course CHE 102 taught by Professor Maggie during the Fall '09 term at Wisc Whitewater.

Page1 / 2

Pre-Lab Qs - Experiment 3 - textbook to answer this...

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