...(aq) + H2O(l) + CO2(g) OR : N aHCO3& shy ;(aq) + HCl(aq) → N aCl(aq) + H2O(l) + CO2(g...
A) Cu(OH)2& shy ; 的摩爾質量 = 63.5 + 16×2 + 1×2 = 97.5 g/mol CuSO4•5H2O 的摩爾...
...mol 所加入 Cl2 的摩爾數 = 21.3 / (35.5×2) = 0.3 mol 0.3 mol Cl2& shy ; 完全反應,需用 NH3 = 0.3× (8/3) = 0.8 mol < 0.9 mol...
... of water formed = 0.015 × (2/2) = 0.015 mol (2) X H2SO4& shy ; is in excess. Thus, the final solution is acidic,i.e. pH...
...mass of CaO = 40 + 16 = 56 No. of moles of CaCO3& shy ; in the sample = m/100 mol No. of moles of CaO formed...
...l) → CO2(g) + 4H⁺(aq) + 4e⁻ ...... (*) 2H⁺(aq)+ NO& shy ;3& shy ;⁻(aq) + e⁻ → H2O(l) + NO2& shy ;(g) ......(#) 4(*) + (#), and cancel...
...of Cr in FeCr2O4 (FeO•Cr2O& shy ;3)= +3 The O.N. of Cr in ...17:00 補充: FeCr2O4 = FeO•Cr2O& shy ;3 是解答本題必需的知識。 如果不知道的話,便沒有辦法...
...between MgO and Cl2 at 970°C give a small amount of MgCl2& shy ;. Thepresence of carbon enhances the conversion of MgO to...
...相等。以所提供的 equation 為例: _HNO3 → _NO2 + _O2 + & shy ;_H2O 1. 首先 balance H 或 N,因為兩邊都只出現一次。我...