Mole concept

Question 1

referred to as the chemist’s dozen

Answer 1

mole

Question 2

1 mole =?? (5 answers )

Answer 2

1. 6.022 x 10^23
2. Avogadro’s number
3. atoms
4. molecules
5. particles

Question 3

what is the unit for molar mass?

Answer 3

g/mol

Question 4

what are the steps to identify the molar mass

Answer 4

identify the elements present in the compound

count number of atoms present in the element compound

multiply the number of atoms by its atomic mass and add them all

Question 5

molar mass is equal to?

Answer 5

Avogadro’s number or 1 mole

Question 6

what is the unit of measurement of molecular mass/weight?

Answer 6

amu

Question 7

what is molecular mass equal to? ( 2 answers)

Answer 7

1. molar mass
2. sum of the atomic masses

Question 8

how do you correctly write the unit for the molar mass

Answer 8

(value)g/mol(element symbol)

Question 9

formula mass

Answer 9

sum of the atomic masses (in amu) in a formula unit of an ionic compound

Question 10

the amount of matter can be expressed in three ways:

Answer 10

1. mass in grams
2. number of particles
3. mass

Question 11

method to cancel out units than the desired units through the use of fixed relationships

Answer 11

dimensional analysis

Question 12

what is the formula for given mass

Answer 12

no. moles x molar mass

Question 13

what is the formula for no. moles

Answer 13

given mass/ molar mass

Question 14

what is the formula for molar mass

Answer 14

given mass / no. moles