Oblicz, ile gramów wodorotlenku sodu przereaguje z 30g 10-procentowego roztworu kwasu mrówkowego.

mr=30g Cp=10% ms=Cp*mr/100% ms=30*10/100 ms=3g kwasu mNaOH=40u mHCOOH=46u NaOH + HCOOH---->HCOONa + H2O 40g NaOH-------46g HCOOH xg NaOH---------3g HCOOH x = 2,61g NaOH