The Mole - Chapter 10

Question 1

Compound that has a specific number of water molecules bound to its atoms

Answer 1

Hydrate

Question 2

Percent by mass of each element in a compound

Answer 2

Percent composition

Question 3

Mass in grams of one mole of any pure substance

Answer 3

Molar mass

Question 4

Formula of a compound with the smallest whole-number mole ratio of the elements

Answer 4

Empirical formula

Question 5

Specifies the actual number of atoms of each element in one molecule of a compound

Answer 5

Molecular formula

Question 6

SI base unit used to measure the amount of a substance

Answer 6

Mole

Question 7

6.02x10^23

Answer 7

Avogrados number

Question 8

T or f: the PERCENT COMPOSITION of carbon is equal to carbons atomic mass and has the units g/mol

Answer 8

False: molar mass

Question 9

T or f: benzene (C6H6) and acetylene (C2H2) have e EMPIRICAL FORMULA but different MOLECULAR FORMULAS

Answer 9

True

Question 10

T or f: one MOLE of water contains 6.02x10^23 molecules of water

Answer 10

True

Question 11

T or f: the empirical formula of a compound can always be used to determine the compounds MOLAR MASS

Answer 11

False: percent composition