`H_(2)O_(2)` solution used for hair bleaching is sold as a solution of approximately 5.0 g `H_(2)O_(2)` per 100 mL of the solution. The molecular mass

Monjur Alahi

`H_(2)O_(2)` solution used for hair bleaching is sold as a solution of approximately 5.0 g `H_(2)O_(2)` per 100 mL of the solution. The molecular mass of `H_(2)O_(2)` is 34. The molarity of this solution is approximately
A. 0.15M
B. 1.5M
C. 3.0M
D. 3.4M


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Salim Ahmed Kawsar

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Correct Answer - B
`M = (w)/(GMW) xx (1000)/(V "in ml")`

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