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maaf ya
m Natrium hidroksida ( NaOH ) = 8 gram
Mr NaOH = 40 gram/mol
Volume larutan = 100 cm³ = 100 ml = 0,1 L
n = mol
V = Volume
Ditanya : Konsentrasi NaOH ?
Jawab :
n ( mol ) NaOH :
= m / Mr
= 8 gram / 40 gram/mol
= 0,2 mol
Konsentrasi NaOH :
= n / V
= 0,2 mol / 0,1 L
= 2,0 mol/L
= 2,0 mol/dm³
Jawaban : ( d )