Odpowiedź:
a)
2CH3CH2COOH + 2Na--> 2CH3CH2COONa + H2↑
2CH3CH2COOH + Na2O --> 2CH3CH2COONa +H2O
CH3CH2COOH +NaOH --->CH3CH2COONa +H2O
b)
6CH3COOH + Al --> 2(CH3COO)3Al + 3H2↑
6CH3COOH +Al2O3--->2(CH3COO)3Al + 3H2O
3CH3COOH + Al(OH)3 -->(CH3COO)3Al+ 3H2O