What is the molarity of Nation in a
solution prepared by dissolving
0.550 gram of Na2SO4 in a volume
of 100 ml water.
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2
Answer:
Mass of solute, wB =7.1g
Volume of solution ≈ Volume of solvent =100ml
Now,
Molarity=MolarWt.(M
B
)×Volume(ml).
w
B
×1000
MolarWt.(M
B
)×Volume(ml).
w
B
×1000
=
142×100
7.1×1000
=0.5M
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