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15. What is the concentration of Cu2+ in a solution made by dissolving 0.100 mole of...
What is the concentration of Cu2+ (aq) in a solution that was originally 0.015 M Cu(NO3)2...
What is the concentration of Cu2+ (aq) in a solution that was originally 0.015 M Cu(NO3)2 and 0.1M NH? The Cu2+ ion forms the complexion Cu (NH3)42-K-4,9x10 12 Show your calculations.
26. Calculate the molar concentration of uncomplexed Cu2+(aq) in a solution that contains 0.23 mol of...
26. Calculate the molar concentration of uncomplexed Cu2+(aq) in a solution that contains 0.23 mol of Cu(NH3)4+ per liter and 0.4251 M NHz at equilibrium. Krfor Cu(NH3)42 is 4.8 x 1012. a. 2.7 x 10° M b. 1.1 x 10-13 M c. 6.8 x 1011 M d. 1.5 x 10-12 M e. 2.7 x 10-13 M OL-
The complex ion Cu(NH3)42+ is formed in a solution made of 0.0100 M Cu(NO3)2 and 0.300...
The complex ion Cu(NH3)42+ is formed in a solution made of 0.0100 M Cu(NO3)2 and 0.300 M NH3. What are the concentrations of Cu2 , NH3, and Cu(NH3)42+ at equilibrium? The formation constant*, Kf, of Cu(NH3)42+ is 1.70 × 1013
1.Given a solution in which [Cu2+] = 0.20 mol/L and [NH3] = 1.40 mol/L, what is...
1.Given a solution in which [Cu2+] = 0.20 mol/L and [NH3] = 1.40 mol/L, what is the equilibrium concentration of free Cu2+? The complex Cu(NH3)42+ has Kf = 5.0 X 1013. The answer to the question is 3.1 X 10 -14 I just need how to do it with the work shown. 2. You titrate a 20.00 mL sample of ammonia (Kb = 1.8 X 10-5) to the equivalence point using 10.00 mL of .20 M HCl solution. What is...
5) The molecular complex Cu(CN)42- dissociates in water by the process Cu(CN) + (aq) = Cu2+...
5) The molecular complex Cu(CN)42- dissociates in water by the process Cu(CN) + (aq) = Cu2+ (aq) + 4 CN- Kc = 9.5 x 10-17 The initial concentration of Cu(CN)4- in an aqueous solution is 0.0390 M. No Cu?" or CN ions are initially presen. What is the concentration of Cu2+ ion present when equilibrium is achieved? [12 points)
please help! A solution is made of each of the following compounds by dissolving 0.010 mol...
please help!
A solution is made of each of the following compounds by dissolving 0.010 mol of the compound in 1.0 L of water. Rank the resulting four solutions in order of conductivity, from lowest to highest Compound Rank Conductivity 1 = lowest 4 highest Cu(NO3)2 INICH,OM(OH)21 Zn(1,0),OHBr LVC2041 Match each compound in the group on the left with the compound on the right most likely to have the same electrical conductivity per mole in aqueous solution. Clear All [Co(en)3113...
Part A 2+ which has a In an excess of NH3 (aq), Cu24 ion forms a...
Part A 2+ which has a In an excess of NH3 (aq), Cu24 ion forms a deep blue complex ion, Cu(NH3)4 formation constant Kf = 5.6 x 101" Calculate the concentration of Cu2+ in a solution prepared by adding 4.6 x 10-3mol of CuSO4 to 0.470 L of 0.39 M NH3 Express your answer using two significant figures. ν ΑΣΦ ? [Cu2]= M Request Answer Submit
f) What is the concentration in %(m/v) of a solution prepared by dissolving 50.0 g of...
f) What is the concentration in %(m/v) of a solution prepared by dissolving 50.0 g of sucrose in 220 mL of ethanol. g) What is the concentration in ppm of a solution that contains 0.234 g of lactic acid dissolved in 350 mL of aqueous solution? h) How many grams of glucose are present in 850 mL of a 4.25%(m/v) glucose solution. 8. The following questions involve calculations of equivalents or miliequivalents. a) How many equivalents of sodium ion and...
The complex ion Cu(NH3)42+ is formed in a solution made of 0.0300 M Cu(NO3)2 and 0.400 M NH3
The complex ion Cu(NH3)42+ is formed in a solution made of 0.0300 M Cu(NO3)2 and 0.400 M NH3. What are the concentrations of Cu2+, NH3, and Cu(NH3)42+ at equilibrium? The formation constant*, Kf, of Cu(NH3)42+ is 1.70 x 1013 Suppose you have a solution that contains 0.0440 M Ca2+ and 0.0980 M Ag+. If solid Na3PO4 is added to this mixture, which of the following phosphate species would precipitate out of solution first? When the second cation just starts to precipitate, what percentage...
A solution was made by dissolving 10.0 g of potassium sulfate in 250.00 mL of solution....
A solution was made by dissolving 10.0 g of potassium sulfate in 250.00 mL of solution. 1. How many moles of potassium sulfate are in solution? 2. How many moles of each ion are in solution? 3. What is the concentration of potassium sulfate? Each ion?
What is the concentration of Cu2+ (aq) in a solution that was originally 0.015 M Cu(NO3)2 and 0.1M NH? The Cu2+ ion forms the complexion Cu (NH3)42-K-4,9x10 12 Show your calculations.
26. Calculate the molar concentration of uncomplexed Cu2+(aq) in a solution that contains 0.23 mol of Cu(NH3)4+ per liter and 0.4251 M NHz at equilibrium. Krfor Cu(NH3)42 is 4.8 x 1012. a. 2.7 x 10° M b. 1.1 x 10-13 M c. 6.8 x 1011 M d. 1.5 x 10-12 M e. 2.7 x 10-13 M OL-
5) The molecular complex Cu(CN)42- dissociates in water by the process Cu(CN) + (aq) = Cu2+ (aq) + 4 CN- Kc = 9.5 x 10-17 The initial concentration of Cu(CN)4- in an aqueous solution is 0.0390 M. No Cu?" or CN ions are initially presen. What is the concentration of Cu2+ ion present when equilibrium is achieved? [12 points)
please help!
A solution is made of each of the following compounds by dissolving 0.010 mol of the compound in 1.0 L of water. Rank the resulting four solutions in order of conductivity, from lowest to highest Compound Rank Conductivity 1 = lowest 4 highest Cu(NO3)2 INICH,OM(OH)21 Zn(1,0),OHBr LVC2041 Match each compound in the group on the left with the compound on the right most likely to have the same electrical conductivity per mole in aqueous solution. Clear All [Co(en)3113...
Part A 2+ which has a In an excess of NH3 (aq), Cu24 ion forms a deep blue complex ion, Cu(NH3)4 formation constant Kf = 5.6 x 101" Calculate the concentration of Cu2+ in a solution prepared by adding 4.6 x 10-3mol of CuSO4 to 0.470 L of 0.39 M NH3 Express your answer using two significant figures. ν ΑΣΦ ? [Cu2]= M Request Answer Submit
f) What is the concentration in %(m/v) of a solution prepared by dissolving 50.0 g of sucrose in 220 mL of ethanol. g) What is the concentration in ppm of a solution that contains 0.234 g of lactic acid dissolved in 350 mL of aqueous solution? h) How many grams of glucose are present in 850 mL of a 4.25%(m/v) glucose solution. 8. The following questions involve calculations of equivalents or miliequivalents. a) How many equivalents of sodium ion and...
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