Ch3-ch2-ch2-ch2-cooh вот к этой формуле надо добавить 1-ca 2-al(oh)3 3-mgco3 4-ch3oh , надо

1. Ca + 2C4H9COOH = (C4H9COO)2Ca + H2

2. Al(OH)3 + 3C4H9COOH = (C4H9COOH)3Al + 3H2O

3. MgCO3 + 2C4H9COOH = (C4H9COOH)2Mg + H2O + CO2

4. CH3OH + C4H9COOH = C4H9COOCH3 + H2O