The number of moles of koh per litre of the solution containing 2.8% (mass-volume) solution of koh is ?
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Explanation:
2.8% by mass means 2.8 g in 1l soln. molarity=moles/volume(liter). c=? c = 0.05mol/0.1L = 0.5mol/L = M/5 (Answer)
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