Question

Which of the following samples has the greatest mass?

1.4 mol Na
1.02 × 1024 atoms Na
23 g Na
6.02 × 1023 atoms Na

Answer 1

@JoannaBlackwelder

Answer 2

:)

Answer 3

Can you convert all of these to grams?

Answer 4

23 g Na
im giving u free medals sorry

Answer 5

lol i figure out the answer after i post lol

Answer 6

Haha, thanks, but I don't get 23 g to be the answer.

Answer 7

how so?

Answer 8

Because I get one of the other options to be more mass when converted to grams.

Answer 9

ooh

Answer 10

Do you know how to convert from moles to mass?

Answer 11

not really

Answer 12

Ok, let me show you. We use the molar mass. Do you know what the molar mass of Na is?

Answer 13

22.9898

Answer 14

Right. And that number is the number of grams in 1 mole of Na

Answer 15

yes

Answer 16

We need to do a conversion that cancels out the unit of mol and goes to g