3.1.2 Amount of substance

Question 1

Define avogadro constant

Answer 1

no.particles in a mole

Question 2

relative molecular mass

Answer 2

(Mᵣ) is the average mass of a molecule compared to one-twelfth the mass of a single carbon-12 atom

Question 3

relative atomic mass

Answer 3

Relative Atomic Mass (𝐴𝑟) is the average mass of an atom of an element relative to one twelfth of the mass of an atom of carbon-12

Question 4

ideal gas equation?

Answer 4

PV=nRT

Question 5

Have u practiced empirical and molecular formula?

Answer 5

HMMMMMMMMMMMMMMMMMMMMMMM?HMM?HMMMMMMM?🤔

Question 6

How about ionic equations?

Answer 6

🤔 Yh HMMMM

Question 7

Percentage atom economy?

Answer 7

(molecular mass of desired product/sum of molecular masses of all reactants) × 100