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Chemistry 19 Online
OpenStudy (anonymous):

How to find number of moles in NaOCl

OpenStudy (anonymous):

number of moles is a measure of quantity like grams. How much NaOCl you've got to convert?

OpenStudy (anonymous):

i have to convert .21 g

OpenStudy (anonymous):

1mole = molecular weight expressed in grams = sum of atomic weights of each individual atom in one molecule

OpenStudy (anonymous):

i have an extremely low value as an result

OpenStudy (anonymous):

atomic wt. of Na = at. wt. of O = at. wt. of Cl =

OpenStudy (anonymous):

it will be pretty low

OpenStudy (anonymous):

i got .009134 Na .0131 O .00592 Cl is this correct?

OpenStudy (anonymous):

wait

OpenStudy (anonymous):

what! no

OpenStudy (anonymous):

just the numbers from the table..

OpenStudy (anonymous):

sorries

OpenStudy (anonymous):

Na 22.98989 Cl 35.4527 O 15.9994

OpenStudy (anonymous):

good. add em up

OpenStudy (anonymous):

you can round em to the closest decimal

OpenStudy (anonymous):

23+35.5+16=

OpenStudy (anonymous):

74.44

OpenStudy (anonymous):

good. now, by definition, 74.44g ---> 1mole 0.21g -----> 0.21/74.5 = ___________ moles

OpenStudy (anonymous):

kapeesh?

OpenStudy (anonymous):

ahh ty so much

OpenStudy (anonymous):

yep. yw

OpenStudy (anonymous):

so few ppl say that now "kapeesh"

OpenStudy (anonymous):

"people forgot" lol

OpenStudy (anonymous):

fun to hear it actually ^^

OpenStudy (anonymous):

so, did you get the answer as 0.002819 moles?

OpenStudy (anonymous):

actually u were faster than me but yep

OpenStudy (anonymous):

ty

OpenStudy (anonymous):

alrighty. peace out. gotta sleep. X-)

OpenStudy (anonymous):

wait

OpenStudy (anonymous):

ya ok :)

OpenStudy (anonymous):

gn

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