Question

Calculate the moles of Au contained in the sample. Au mass (grams) 51.0616

Answer 1

n = m/M

n = moles
m= mass
M= molar mass

Answer 2

@RANE How do I know what the molar mass is to plug into the equation?

Answer 3

because M = molar mass

Answer 4

ok, well what is my molar mass then? Im lost.

Answer 5

its on the periodic table
Au = 197

Answer 6

Ok. thanks you so much!

Answer 7

ok so with that equation i got 0.259

Answer 8

yh then that's your answer

Answer 9

Ok, thanks @RANE !!