5.1.1 Moles II

Question 1

how do u convert cm^3 to dm ^3

Answer 1

cm to dm is divide by 1000 (/1000)

dm to cm is times by 1000 (x 1000)

Question 2

how do u work out moles of gas with volume

Answer 2

moles = vol dm^3/24

Question 3

how do u rearrange the moles formula for gases to work out volume

Answer 3

volume dm^3= moles x 24dm^3

Question 4

how do you work out the concentration of a solution (formula)

Answer 4

concentration = moles of solute/volume of solute

Question 5

what units is concentration measured in

Answer 5

Mol/dm^3

Question 6

If you are asked to find the moles of a gas which equation do you use.

Answer 6

Moles= Volume (dm^3)/24

Question 7

If you are asked to find the moles of a solution which equation do you do.

Answer 7

Moles= Conc x vol

Question 8

If you have two different substances which way do you calculate the moles

Answer 8

Using the ratio method

Question 9

If you only have one substance in an empirical formular how would you work out the moles

Answer 9

you would use the table chart