R-COOH + NH3 ---> R-COONH4 896 / 1000 = 0,896 = 0,896 / 22,4 = 0.04 MOL 1 MOL ------1 MOL X ------------0,04 MOL X=0,04 MOL Mr = m / n = 2,96 / 0.04 = 74 eto ---> CH3-CH2-COOH propan kislota