determine molarity of 500cm3 solution containing 20g of Nacl?
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Answer:
1.0 m
We know,
Molality =
weight of solvent (kg)
moles
Molality =(
molecular weight
weight
)×
(volume×density)
1000
[Note: density =1 gm/cm
3
]
Molality =
40
20
×
500
1000
×1=1 m
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