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The (NH4)2CO3 precipitate was dis- solved in hot 5 ml 2-normal CH3CO2H, with ... The (NH4)2SO4 precipitate was dissolved in a hot 6-normal HCl. At the ... Jul 11, 2021 ... CaCl2 Zn(NO3)2 (NH4)2CO3 Ag2S HCl. 1. Which of the following is an electrolyte? Ca3(PO4)2. Mn( ... ... (NH4)2CO3 followed by overnight digestion using 2.5 μg trypsin at 37°C under ... , 6 M guanidine-HCl, 10 mM EDTA) was added and the pH was adjusted to 9 ... Assume that the concentrations after mixing are 0.080 M (NH4)2CO3 and 0.16 M NH3. ... A 1.000 L sample of HCl gas at 25°C and 732.0 mm Hg was absorbed ... 1984 C. Given solid samples of KI and of (NH4)2CO3, briefly describe four simple laboratory tests by which these two compounds can be distinguished. For each ... ... HCl + 0.012 M H2SO4; 1 M NH4OAc (pH: 4.8); 0.01 M EDTA + 1 M NH4OAc; 1 M MgCl2; 0.01 M EDTA + 1 M (NH4)2CO3; 0.005 M DTPA + 1 M NH4HCO3 and 0.001 M EDDHA ... 18) BaCl2 + (NH4)2CO3 → BaCO3 + NH4Cl. 19) MgCO3 + HCl → MgCl2 + CO2 + H2O. 20) H2CO3 → H2O + CO2. Page 2. Solutions. 1). 4Na + O2 → 2Na2O. 2) 4P + 3O2 ... (5) EDTA-ammonium carbonate (0.0 IN EDTA in iV(NH4) 2CO3 adjusted to. pH 8.6) ... order: 0.1 N HCl > NH4OAc, pH 4.8 > Dithizone-NH4OAc (pH 7.0) >. EDTA ... For each formula, determine if the compound is. Ionic or Molecular (Covalent). 1. CuCl2. 5. (NH4)2CO3. 2. NaCl. 6. HCl. 3. FeBr3. 7. NH4OH. 4. H2O. 8. CCl4. Therefore, CaO would be somewhat soluble because of Ca2+. Example 4: (NH4)2CO3 is soluble because of NH4. +, ... How about HCl? How about AgCl? How about. Ba ...