Question

Question is in the comments. Will give medals!

Answer 1

Hmmm not sure if serious

Answer 2

natural percent abundance means mole percent... u know tht
???

Answer 3

yes

Answer 4

% abundance of Si(29) would be 4.7

Answer 5

I figured that one out, I'm just not sure how to figure out the atomic mass

Answer 6

can anyone help in telling me how to set up the problem in figuring out the atomic mass?

Answer 7

its 29.06

Answer 8

approx

Answer 9

how did you figure that out?

Answer 10

m avg = (27.9769*0.9218) + (x*0.047) + (29.9738*0.0312) = 28.09
get x...

Answer 11

Oh okay thank you for your help! My book is a little vague!

Answer 12

u r most wlcm :)