Chapter 0

Question 1

quantitative chemical analysis

Answer 1

measurement of how much of a chemical substance is present

Question 2

qualitative chemical analysis

Answer 2

tells what is present

Question 3

sampling

Answer 3

acquiring a representative sample

Question 4

homogeneous

Answer 4

material whose composition is the same throughout

Question 5

heterogeneous

Answer 5

material whose composition differs from place to place

Question 6

decanted

Answer 6

poured off

Question 7

analytes

Answer 7

substances being measured

Question 8

quantitative transfer

Answer 8

a complete transfer

Question 9

slurry

Answer 9

a suspension of solid in a liquid

Question 10

supernatant liquid

Answer 10

the liquid above the packed solid

Question 11

diuretic

Answer 11

makes you urine

Question 12

vasodilator

Answer 12

enlarges blood vessels

Question 13

sample preparation

Answer 13

transforming a sample into a state that is suitable for analysis

Question 14

calibration curve

Answer 14

a graph of dectector response as a function of analyte concentration

Question 15

standard solutions

Answer 15

a solution containing a known concentration of an element/substance

Question 16

Steps in a Chemical Analysis:

Answer 16

1. formulating the questions
2. selecting analytical procedures
3. sampling
4. sample preparation
5. analysis
6. reporting and interpretation
7. drawing conclusions