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18 November, 05:58

Calculate the molarity when 250 mL of solution is prepared from 5.00 g KOH.

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  1. 18 November, 06:16
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    the formula for molar concentration c is

    c=moles/litres

    moles 5.6g KOH*1mol KOH/56.11gram KOH

    0.0998mol KOH

    litres=250ml*1L/1000mL=0.2500L

    c=0.0998mol/0.2500L

    =0.40 mol/L
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