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10. A 0.4214 g sample containing only BaCl2 and NaCl requires 58.6 mL of 0.100 M...
In a precipitate reaction between BaCl2(aq) and Na3PO4(aq), 56.7 mL of 0.100 M BaCl2(aq) completely reacted with 25.3 mL of Na3PO4(aq). What was the molarity of Na3PO4(aq)? 3 BaCl2(aq) + 2 Na3PO4(aq) → Ba3(PO4)2(s) + 6 NaCl(aq) Note: Insert only the numerical value of your answer (do not include the units or chemical in your answer).
046. 0.12 g of sample containing chloride ions requires 20 mls of O.IM KSCN when 25 mis prepared AgNO, was added to the Sample solution. 25mls of prepared AgNO, requires 31.25mls of 0. IM KSCN. Calculate the percent of chloride in your sample. [8] In the estimation of the chlo on of the chloride why is excess silver nitrate added to the sample?[2]
A 0.769 g mixture containing only sodium chloride and potassium chloride was dissolved in water. It required 36.7 mL of 0.327 M AgNO, to completely precipitate all of the chloride present. What is percent composition by mass of sodium chloride and potassium chloride in the mixture? mass percent NaCl : mass percent KCl :
A 0.733 g mixture containing only sodium chloride and potassium chloride was dissolved in water. It required 30.8 mL of 0.375 M AgNO, to completely precipitate all of the chloride present. What is percent composition by mass of sodium chloride and potassium chloride in the mixture? mass percent NaCl : mass percent KCl :
A 1.00-9 solid sample containing a mixture of table salt (NaCl) and citric acid (H3C6H507, a triprotic acid) is dissolved in 15 mL of water. Titration of the acid solution requires 17.70 mL of 0.5602 M NaOH solution to reach the endpoint. Calculate the mass percent H3C6H5O7 in the solid mixture. (Number only) %
Only answer 10. A 10.0 mL sample of 0.100 M KPO, is added to 20.0 mL of 0.300 M AgNO2. Silver The concentration of Ag ions in solution AFTER reaction phosphate precipitates. is, (A) 0.030 M (B) 0.100 MM (C) 0.200 M (D) 0.300 AM 11. The lattice energy of a salt is related to t he energy required to separate the ions. Which represents the correct order of the relative lattice energies for the ionic solids below? NaCl, CaO,...
Attempt 1 Question 14 of 15 > A 0.690 g mixture containing only sodium chloride and potassium chloride was dissolved in water. It required 34.8 mL of 0.317 M AgNO, to completely precipitate all of the chloride present. What is percent composition by mass of sodium chloride and potassium chloride in the mixture? mass percent NaCl : 64.2 mass percent KCI : 35.9
The titration of an impure sample of KHP found that 36.00 mL of 0.100 M NaOH was required to react completely with 0.758 g of sample. What is the percentage of KHP in this sample?
13u lyUNCU Ulake 50 mL of a 0.100 M solution? A 6.12 g B. 9.85 g C. 2.15 g D 10.1 g E. 12.7 g 11. What is the sodium ion concentration in the final solution when 50.0 mL of 0.125 M NaCl is mixed with 50.0 mL of 0.200 M N A 0.263 M B. 0.163 M C. 0.0263 M D. 0.0163 M good on Do Equi Alot equal 1 2 School and well 15. What is the molarity...
A sample of an unknown containing Fe2+ in the dissolved sample requires 23.15 mL of a 0.0020 M KMnO4 solution to reach the end point of the titration. 1)Calculate the moles of KMnO4 reacted. 2) Based on the moles you calculated , calculate how many grams of Fe2+ are in the unknown solution.