26.(共15分,各3分)(1)0.075mol/L・min
(2)放热, CO(g)+2H2(g) → CH3OH(g) ; △H=―91 KJ/mol , 不能(3) c
点燃
(2)2Mg+CO2 2MgO+C (3)Al(OH)3+3H+=Al3++3H2O
(4) (5)