Serpentine ore can be regarded as composed of MgO, Fe 2 O 3, Al 2 O 3 and SiO 2. The experimental steps of preparing basic magnesium carbonate from serpentine are as follows:
( 1)Fe 3+、Al 3+
Aluminum hydroxide 3 mg aluminum hydroxide
(3)NaOH filtering, washing and burning
(4) Carbon dioxide
(5)③ Measure the mass of CO 2 ④ Measure the mass of water vapor.