举例:写出AI2(SO4)3和Na2CO3两种溶液混合,发生水解反应的化学方程式。 金属若+2价,加的HCL,则HCL前+2。加的H2SO4,则就这样。+1价,加的HCL,则就这样。 一般来说卤单质和一个卤素离子反应,反应后自身变为离子,而离子变为单质,则说明,反应物中的单质氧化性比离子的单质的氧化性强。如Cl2+2I- =2Cl- +I...
Na2Co3+2HCl =2NaCl + H2Co3 Na2Co3+HCl = NaCl+H2Co3 ReactantsProducts Na21❌ Co33✔️ H12❌ Cl11✔️ Hint: The sum of the balanced coefficients is 6.See Step-By-Step Solution
HCl236.46094 这个计算器将确定反应的限制试剂。 Instructions To calculate the limiting reagent, enter an equation of a chemical reaction and press the Start button. The reactants and products, along with their coefficients will appear above.
If 21.9 mL of an {eq}HCl {/eq} solution is required to neutralize 1.152 g of {eq}Na_2CO_3 {/eq}, what is the molarity of the {eq}HCl {/eq} solution? Neutralization: Neutralization is a process in which an acid cancels the effect of a...
碳酸钠和稀盐酸反应生成氯化钠、水和二氧化碳，化学方程式为，Na2CO3+2HCl═2NaCl+H2O+CO2↑；碳酸氢钠和盐酸反应生成氯化钠、水和二氧化碳，化学方程式为，NaHCO3+HCl═NaCl+H2O+CO2↑；故答案为：CaCO3+2HCl═CaCl2+H2O+CO2↑；Na2CO3+2HCl═2NaCl+H2O+CO2↑；NaHCO3+HCl═NaCl+H2O+CO2↑．...
Calcium carbonate (CaCO3) was synthesized in the CaCl2-Na2CO3-H2O reaction system at the reaction temperature of 40, 50, 60, and 70℃. The initial pH was changed to 2.4-11.0 at 50-70℃. The initial pH was adjusted by changing the pH of CaCl2 aqueous solution using HCl and NH3 aqueous...
Reaction: Na2CO3 + 2HCl arrow 2NaCl + CO2 + H2O How many grams of NaCl can be produced from the reaction of 1.35 g of Na2CO3 with 125 mL of 0.265 M HCl? How many grams of Na_2CO_3 are needed to react with 50.0 mL of 0.450 M Ca(NO_3)_2? How man...
用以干燥酸性和中性气体，如CO2，H2，N2，NO2，HCl，SO2等，不能干燥碱性气体，如NH3，以及常温下具有还原性的气体，如H2S。盐酸：HCL溶于水中形成盐酸溶液。分为浓盐酸和稀盐酸，都是无色，能溶于水，具有腐蚀性的液体。浓盐酸：具有挥发性 浓盐酸具有极强的挥发性，因此盛有浓盐酸的容器打开后能...
The reaction HCl(aq) + Na2CO3(aq) arrow NaCl(aq) + H2O(l) + CO2(g) involves changes in oxidation numbers and is therefore classified as a redox reaction. True or false? Delta S for the following reaction is positive: CaCO3(s) arrow CaO(s) + CO2(g) ...
NaCl + H2O + CO2 = NaHCO3 + HCl Fe(OH)3 + HNO3 + KOH = K2FeO4 + KNO2 + H2O C2N2 = C2N2 Zn(OH)2 + H2CO3 = ZnCO3 + HOH Na2SO4 + C + CaCO3 = CaS + Na2CO3 + CO C8H14O4 + NaOH = C2H6O2 + C3H5NaO2