Question

Гидроксид натрия+бутановая кислота=

Answer 1

CH3-CH2-CH2-COOH + KOH => CH3-CH2-CH2-COOK +h2o

Answer 2

Ch3-ch2-ch2-cooh + NaOH => ch3-ch2-ch2-cooNa +h2o

Answer 3

поправил

Answer 4

NaOH+C3H7COON=C3N7COONa+H2O

Answer 5

можно и так :)