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Question

A one liter solution of 2 M NaOH can be prepared with:

A
20 g NaOH
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B
40 g NaOH
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C
60 g NaOH
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D
80 g NaOH
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E
100 g NaOH
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Solution

The correct option is D 80 g NaOH
Molar mass of NaOH=40g/mole
2=Mass of solute/(40×1)
So, Mass of NaOH=80g

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