Question

I need help with these can someone teach me the steps I got very confused

Answer 1

Questions

Answer 2

which one?

Answer 3

@aaronq number 2

Answer 4

\(\sf mass~percent~comp~of ~A=\dfrac{molar~mass~of~A}{Molar~mass~of~compound}*100\%\)

Answer 5

I found the grams for each and then divide it over the total and its asking for ocygen I got 26%

Answer 6

I guess i should include the number of atoms, which is irrelevant here.

\(\sf mass~percent~comp~of ~A=\dfrac{number~of~A~atoms*molar~mass~of~A}{Molar~mass~of~compound}*100\%\)

Answer 7

oh wait no it is relevant here

Answer 8

I am not sure if 26% is right tho

Answer 9

i'm not sure, post what you did?

Answer 10

okay