what is the molarity of a solution cantaining 0.05 moles in 80cm³?
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Answer:
Molarity =
V
ml
n×1000
Molar mass of NaOH = 40g/mol
No of moles of NaOH =
40
10
=0.25mol
therefore Molarity =
500
0.25×1000
=
500
250
=0.5molL
−1
Hence, the correct option is C
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