Question

3.0 mol N2O5 Express your answer using two significant figures.

Answer 1

Answer:

Explanation:

Over here.

1 mol N2O5 ==> (2×14) + (5×18)

==> 28 + 90

===> 118 gm

Therefore 3 mol N2O5

==> 3×118 ==> 354 gm

Rounding off you get 350 gm where 3 & 5 are significant while 0 is not significant.

Hope you got your answer..

Thanks

IF YOU THINK I WAS RIGHT, SURELY MARK IT AS BRAINLIEST!!