Mole concept

Question 1

What is mole?

Answer 1

Mole is a counting unit ( like dozen )

Question 2

1 mole

Answer 2

6.022 x 10^23 entities
( entities can be particles , atoms , neutrons , protons , electrons , molecules etc.)

Question 3

1 mole ( in terms of C-12 atoms )

Answer 3

No. of atoms in 12 gm of C-12 = 6.022 x 10^23

Question 4

What is Avogadro’s no. (N_a)

Answer 4

6.022 x 10^23

Question 5

1 gram atom / 1 gram molecules / 1 gram ions

Answer 5

1 mole atoms/molecules/ions

Question 6

Formula 1 to calculate moles

Answer 6

Given no. of particles / N_a

Question 7

Gram atomic mass

Answer 7

mass of 1 gram atoms = 1 mole atoms = 6.022 x 10^23 atoms

Question 8

Unit of gram atomic mass

Answer 8

gram

Question 9

1 amu ( in terms of N_a)

Answer 9

1 amu = 1/N_a grams

Question 10

amu x N_a

Answer 10

1 gram

Question 11

Gram molecular mass

Answer 11

mass of 1 gram molecule , 1 mole molecules , N_a molecules

Question 12

How can we represent GAM ; GMM

Answer 12

GAM = RAM(gm) ; GMM = RMM(gm)

Question 13

GAM/GMM is also known as

Answer 13

Molar mass

Question 14

Formula 2 to calculate no. of moles

Answer 14

Given mass / molar mass

Question 15

Formula to calculate no. of atoms

Answer 15

Atomicity x no. of moles x N_a