Question

How many representative particles are in 1.45 g of a molecular compound with a molar mass of 237 g? What exactly am I converting to and from?

Answer 1

@TrojanPoem

Answer 2

N = m/M

N: number of moles
m: mass
M: molar mass


N(P) => number of particles

N(P) = 6.02 x 10^23 * N

Answer 3

The same as what you solved before. Just get the number of moles from the given mass and molar mass.

Then find number of particles with Avogadro's constant.

Answer 4

So in the top left box I would put 1.45g correct sense it's the given?

Answer 5

@TrojanPoem I got 3.68*10^20. Would my units be molecules because it does give a specific one.

Answer 6

*doesn't

Answer 7

particle

Answer 8

*21*

Answer 9

Ok. So is the answer correct? 3.67*10^21 particles?

Answer 10

@TrojanPoem

Answer 11

N= 1.45/237 = 6.12 x 10^-3

N(P) = 6.12 * 10^-3 * 6.02 * 10^23 = 3.68 x 10^21 particles

Answer 12

*3.68*

Answer 13

Correct bro.

Answer 14

This one was mass👉moles👉particles right?

Answer 15

@TrojanPoem

Answer 16

?

Answer 17

Going from mass to moles to particles?

Answer 18

yeah.

Answer 19

Ok thank you. That's all I need.

Answer 20

You're welcome