Extra - Molar Mass Flashcards

1
Q

what is avogadro’s number?

A

6.02 x 10^23

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

molar mass (amu) equals…

A

molar mass (g/mol)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

how do you find the molar mass of a compound?

A

add together the atomic masses of the elements that make up the atom. (don’t forget to multiply atomic mass by # if multiple)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

what is the equation to calculate percent composition?

A
  1. add molar masses of atoms in the compound
  2. (mass of element/mass of compound) x 100.
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

when added together, percent compositions of each element when added together should equal…

A

100%

How well did you know this?
1
Not at all
2
3
4
5
Perfectly