Question

What is the percent composition of sodium hydrogen carbonate (NaHCO3)?
Na = 44.21%, H = 1.94%, C = 23.09%, O = 30.76%
Na = 30.76%, H = 1.94%, C = 23.09%, O = 44.21%
Na = 27.36%, H = 1.20%, C = 14.30%, O = 57.14%
Na = 57.14%, H = 1.20%, C = 14.30%, O = 27.36%

Answer 1

@iPwnBunnies

Answer 2

is it 2nd row?

Answer 3

@thushananth01

Answer 4

@Somy

Answer 5

waht is total Mr u found?

Answer 6

idk i guessed

Answer 7

NaHCO3
Na= 23
H= 1
C= 12
O= 16*3
so total is 84 total

Answer 8

84 = 100%
23= X

Answer 9

this will be % of Na
do same thing for the others

Answer 10

there is no need tho
if u find this u can understand which will be ur option

Answer 11

so wouldnt i get Na = 44.21%, H = 1.94%, C = 23.09%, O = 30.76%

Answer 12

@Somy

Answer 13

23*100/84=

Answer 14

its the last row then

Answer 15

@Somy

Answer 16

calculate it =_=

Answer 17

i tried!

Answer 18

:(

Answer 19

idk this one

Answer 20

u multiplied 23*100 and then divided by 84 ?

Answer 21

i got 27.38

Answer 22

im telling u to do it in calculator

Answer 23

here u go

Answer 24

that's ur answer

Answer 25

Na = 27.36%, H = 1.20%, C = 14.30%, O = 57.14%