Equations

Question 1

Avagardos constant

Answer 1

6.022 x 10 ^23

Question 2

Number of moles

Answer 2

Mass (g) / mass of 1 mole

Question 3

Concentration

Answer 3

Number of moles/ volume (dm^3)

Question 4

Number of moles in solution

Answer 4

(Concentration x volume(cm^3) ) /1000

Question 5

Ideal gas equation

Answer 5

PV=NRT

Question 6

P in ideal gas law

Answer 6

Pressure

Question 7

V in ideal gas law

Answer 7

Volume

Question 8

Gas constant

Answer 8

8.31

Question 9

N in PV=nrt

Answer 9

Number of moles

Question 10

T in PV=NRT

Answer 10

Kelvin

Question 11

Formula for number of moles in PV=NRT

Answer 11

N=PV/RT

Question 12

What is a isotope

Answer 12

Same number of protons and differing numbers of neutrons

Question 13

Relative atomic mass

Answer 13

Average mass of 1 atom / 1/12 mass of 1 atom of carbon 12

Question 14

Relative molecular mass

Answer 14

Average mass of 1 molecule / 1/12 mass of 1 atom of c-12