paigearianna15 paigearianna15

28-04-2020
Chemistry

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

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tashinamorshed8 tashinamorshed8

28-04-2020

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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