____ g of sodium hydroxide is present in 1 litre of 1 M solution.

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Solution

The correct option is B 40
Molarity is the number of moles of solute dissolved in 1 litre of a solution.
Thus 1M = $\frac{w t o f N a O H}{40 \times 1}$
Thus wt of NaOH = 40g

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____ g of sodium hydroxide is present in 1 litre of 1 M solution.

The correct option is B 40Molarity is the number of moles of solute dissolved in 1 litre of a solution.Thus 1M = wtofNaOH40×1Thus wt of NaOH = 40g

The correct option is B 40
Molarity is the number of moles of solute dissolved in 1 litre of a solution.
Thus 1M = $\frac{w t o f N a O H}{40 \times 1}$
Thus wt of NaOH = 40g