2 gram NaOH Mr NaOH=40 dilarutkan dalam 5 liter air ,tentukan PH nya

phnya 12 semoga bermanfaat

Mb = m/Mr x 1/V
= 2/40 x 1/5
= 1/20 x 1/5
= 1/100
= 10^-2 M

OH- = b Mb
= 1 x 10^-2
= 10^-2 M

pOH = 2
pH = 12


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