117 gm NaCl is dissolved in 500 ml aqueous solution. Find the molarity of the solution:

1 M

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2 M

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4 M

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8 M

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Solution

The correct option is C 4 M
Number of moles of $N a C l = \frac{117}{58.5} = 2$
Molarity $= \frac{2}{\frac{500}{1000}} = 4 M$

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