Cm = ?
mKOH = 10% * 50g = 5g
MKOH = 56g/mol
n KOH = 5g/ 56g/mol = 0,09mola
200cm3 = 0,2 dm3
Cm = n subst./ V
Cm = 0,09 mola/ 0,2dm3 = 0,45 mol/dm3
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Cm = ?
mKOH = 10% * 50g = 5g
MKOH = 56g/mol
n KOH = 5g/ 56g/mol = 0,09mola
200cm3 = 0,2 dm3
Cm = n subst./ V
Cm = 0,09 mola/ 0,2dm3 = 0,45 mol/dm3