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Calculate the molarity of 10% by mass KC...

Calculate the molarity of 10% by mass `KCl` in water solution (molecular mass of `KCl=74.5g mol^(-1)`).

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Number of moles of KCI in 100g solution `=10"/"74.5=0.134`, Mass of solvent = 90g
Molality `=(0.134xx1000)/(90)=1.49 m`.
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