Question

2NO + O2 --> 2NO2

How many molecules of NO will react with 25.7 g O2?

Answer 1

@dtan5457

Answer 2

since we did a few of these i think you already know how to start this off :P

Answer 3

so here, I divide 25.7 by 32, 32 being one mole of O2

Answer 4

get 25.7 g into one mole

Answer 5

25.7/32 is equal to 0.803, so in this equation, there is 0.803 moles of O2

Answer 6

so multiply 0.803 by 2, 2 being the 2 moles of NO in the equation

Answer 7

that equals 1.606,

Answer 8

Next, use avo's number so 1.606 * (6.022 * 10^23)

Answer 9

correct

Answer 10

so that would be 9.67 * 10^23

Answer 11

Right??

Answer 12

yep ;p

Answer 13

Yayyy, Thanks a lot.

Answer 14

i think you got the hang of this

Answer 15

Yup, I feel the same way now

Answer 16

Thanks for the help

Answer 17

yw

Answer 18

I'll tag you in the future if I need anymore help. is that alright?

Answer 19

of course