To balance the equation Ca(H2PO4)2 + (NH4)2CO3 = CaHPO4 + (NH4)2HPO4 + C + H + O using the algebraic method step-by-step, you must have experience solving systems of linear equations. The most common methods are substitution/elimination ...
Ca(H2PO4)2 - + + (NH2)2CO - + + H2O - + = (NH4)2HPO4 - + + Ca - + + C - + + O - + 反应物产品 Ca 1 1 ✔️ H 10 9 ❌ P 2 1 ❌ O 10 5 ❌ N 2 2 ✔️ C 1 1 ✔️计算器 化学方程式 化学方...
解答:解:(NH4)2HPO4中H、O、N、P个元素质量之比:(1×9):(16×4):(14×2):31=9:64:28:31;设质量为x的(NH4)2HPO4和160克NH4NO3中所含的H质量相等,则有: x× 9 134=160g× 4 80,x≈119.1g,故填:=9:64:28:31,119.1g. 点评:本题考查的是根据化学式的计算我,按此此题,可以依据已有的...
②200℃加热反应完全失去结晶水得到硫酸钙,1400℃加热硫酸钙,得到能使品红溶液褪色的气体为二氧化硫,S元素化合价降低,则有氧气生成,硫酸钙分解生成氧化钙、二氧化硫与氧气,反应方程式为:2CaSO41400℃––––––––––1400℃_2CaO+2SO2↑+O2↑,故答案为:2CaSO41400℃––––––––––1400℃_2CaO+2SO...
Ca(H Ca(H2PO4)2+ (NH2)2CO + H2O → (NH4)2HPO4+ CaO + C + O2 复合系数摩尔质量摩尔(克/摩尔)重量(克) 反应物 磷酸二氢钙尿素水 Ca(H2PO4)21234.052484 (NH2)2CO260.05526 H2O318.01528 产品 磷酸氢二铵氧化鈣碳氧氣 (NH4)2HPO42132.056222...
Ca(H Ca(H2PO4)2+2(NH2)2CO +3H2O →2(NH4)2HPO4+ CaO +2C +2O2 复合系数摩尔质量摩尔(克/摩尔)重量(克) 反应物 磷酸二氢钙尿素水 Ca(H2PO4)21234.052484 (NH2)2CO260.05526 H2O318.01528 产品 磷酸氢二铵氧化鈣碳氧氣 (NH4)2HPO42132.056222...
3CsOH + (NH4)2HPO4= Cs3PO4+2NH3+3H2O ReactantsProducts Cs33✔️ O77✔️ H1212✔️ N22✔️ P11✔️ Step 3: Verify that the equation is balanced Since there are an equal number of atoms of each element on both sides, the equation is balanced. ...
a HBr + b (NH4)2HPO4 = c H3PO4 + d NH4Br Step 2: Create a System of Equations Create an equation for each element (H, Br, N, P, O) where each term represents the number of atoms of the element in each reactant or product. H: 1a + 9b = 3c + 4d Br: 1a...
Mg(NO3)2 + (NH4)2HPO4 + NH3 + 6 H2O = MgNH4PO4·6H2O + 2 NH4NO3 ReactantsProducts Mg 1 1 ✔️ N 5 5 ✔️ O 16 16 ✔️ H 24 24 ✔️ P 1 1 ✔️ Since there is an equal number of each element in the reactan...
KOH + (NH4)2HPO4= KH2PO4+2NH3+ H2O ReactantsProducts K11✔️ O55✔️ H1010✔️ N22✔️ P11✔️ Step 3: Verify that the equation is balanced Since there are an equal number of atoms of each element on both sides, the equation is balanced. ...