Find the molecular mass of NAOH. Calculate number of moles present in 400g of NAOH.
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Mass of Na is 23
Mass of O is 16
Mass of H is 1
so mass of 1 NaOH is 22 + 16 + 1= 40
So molecular mass of NaOH is 40
1 mole of NaOH is of 40 g
So no. of moles in 400g NaOH =
400/molar mass of NaOH = 400/40 =10
HOPE IT HELPS...
Mass of O is 16
Mass of H is 1
so mass of 1 NaOH is 22 + 16 + 1= 40
So molecular mass of NaOH is 40
1 mole of NaOH is of 40 g
So no. of moles in 400g NaOH =
400/molar mass of NaOH = 400/40 =10
HOPE IT HELPS...
harshmata3oybvei:
what do u think about answer
Nice.. thanks
Molecular mass of Na is not 22 dear
Its 23
sorry
Hope u correct it
Thanks Lycka03
edited now it may be correct
Fine yaar
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Here is the answer........
Hope u got it
#Lycka03
Hope u got it
#Lycka03
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