Homework Answers
Add Answer to:
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
A-Calculate the molar solubility of MgF2 in 0.14 M MgCl2 at 25 ∘C. B-In an excess...
A-Calculate the molar solubility of MgF2 in 0.14 M MgCl2 at 25 ∘C. B-In an excess of NH3(aq), Cu2+ ion forms a deep blue complex ion, Cu(NH3)42+, which has a formation constant Kf=5.6×1011. Calculate the concentration of Cu2+ in a solution prepared by adding 4.7×10−3mol of CuSO4 to 0.460 L of 0.37 M NH3. Express your answer using two significant figures.
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)
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...
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
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...
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...
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...
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)
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
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...
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...
Most questions answered within 3 hours.
-
Where is the error in this code sequence?
String s1 = "Hello";
String s2 = "ello";...
asked 10 months ago -
Financial data for Joel de Paris, Inc., for last year
follow:
Joel de Paris, Inc.
Balance...
asked 10 months ago -
Consider this reaction:
Al2(SO4)3 (aq)+ BaCl3
(aq) Al2Cl6 (aq)- +
3BaSO4(s) . What is the...
asked 10 months ago -
Suppose that Savneet is considering increasing her
recent random sample from 20 car rentals to 40...
asked 10 months ago -
Trucks arrive at an unloading terminal at an average rate of 120
per hour.
Trucks arrive...
asked 10 months ago -
Why are methanol and ethanol completely soluble in water while
octanol is not very little soluble....
asked 10 months ago -
A facilities manager at a university reads in a research report
that the mean amount of...
asked 10 months ago -
When the CuSO4 is rehydrated by adding water to the anhydrous
compound, is this an endothermic...
asked 10 months ago -
A ray of sunlight is passing from diamond into crown glass; the
angle of incidence is...
asked 10 months ago -
A block of mass 0.249 kg is placed on top of a light, vertical
spring of...
asked 10 months ago -
how do the kidneys compensate in the presences of acidosis
a) trigger hyperventilate
b) reserve acid...
asked 10 months ago -
Question 501 pts
The rental rate of capital to the firm increases. Which of the
following...
asked 10 months ago