For many years the recovery of gold-that is, the separation of gold from other materials-involved the use
Question:
What is the minimum amount of KCN in moles needed to extract 29.0 g (about an ounce) of gold?
Transcribed Image Text:
Au + 8KCN + 02 + 2H2O → 4KAu(CN2 4KOH
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 50% (10 reviews)
The balanced equation shows that ...View the full answer
Answered By
Branice Buyengo Ajevi
I have been teaching for the last 5 years which has strengthened my interaction with students of different level.
4.30+
1+ Reviews
10+ Question Solved
Related Book For
Question Posted:
Students also viewed these Organic Chemistry questions
-
For many years the reaction Hz (g) + I2 (g) →7 2 HI (g) and its reverse were assumed to be elementary bimolecular reactions. However, I.H. Sullivan (J. Chem. Phys. 46, 73 (1967)) suggested that...
-
A cube of gold that is 1.00 cm on a side has a mass of 19.3 g. A single gold atom has a mass of 197.0 amu. (a) How many gold atoms are in the cube? (b) From the information given, estimate the...
-
The feed to Column C3 of the distillation sequence in Figure is given in Table 1.5. However, the separation is to be altered so as to produce a distillate that is 95 mol% pure isobutene with a...
-
Why is an increase in price more likely to decrease the total revenue of a seller in the long run than in the short run?
-
"Cadillac" Cody operates a shuttle-bus service between the Miami, Florida International Airport and the Florida Keys. A popular vacation getaway, the Florida Keys are a string of islands located off...
-
Carolyn Murphy, a welfare recipient with very limited education and with four minor children, responded to an advertisement that offered the opportunity to purchase televisions without a deposit or...
-
3. The cost of a 25 percent interest in the voting stock of an investee that is recorded in the investment account includes: a Cash disbursed and the book value of other assets given or securities...
-
Clark & Taylor is an Internet advertising agency. The firm uses a job cost system in which each client is a different job. Clark & Taylor traces direct labor, software licensing costs, and travel...
-
Fanning Manufacturing Company reported the following data regarding a product it manufactures and sells. The sales price is $43. $ 17 per unit 6 per unit Variable costs Manufacturing Selling Fixed...
-
A product at the Jennings Company enjoyed reasonable sales volumes, but its contributions to profits were disappointing. Last year. 17,500 units were produced and sold. The selling price is $22 per...
-
Each copper(II) sulfate unit is associated with five water molecules in crystalline copper(II) sulfate pentahydrate (CuSO4? 5H2O). When this compound is heated in air above 1008C, it loses the water...
-
Limestone (CaCO3) is decomposed by heating to quicklime (CaO) and carbon dioxide. Calculate how many grams of quicklime can be produced from 1.0 kg of limestone.
-
Find the coordinates of the first inflection point of the Fresnel function S(x) that is to the right of the origin.
-
Piperel Lake Resort's four employees are paid monthly. Assume an income tax rate of 20%. Required: Complete the payroll register below for the month ended January 31, 2021. (Do not round intermediate...
-
4. [Communication network 1] Consider the communication network shown in the figure below and suppose that each link can fail with probability p. Assume that failures of different links are...
-
The 60 deg strain gauge rosette is mounted on the bracket. The following readings are obtained for each gauge a = 100 106, b = 250 106, and c = 150 106. Determine: (a) the strains x, y, and xy for...
-
Assume the ledge has the dimensions shown and is attached to the building with a series of equally spaved pins around the circumference of the building. Design the pins so that the ledge can support...
-
Describe in detail about the arterial supply and venous drainage of heart with its Applied Anatomy?
-
Find the centroid of the region lying underneath the graph of the function over the give interval. (x) = sin x, [0, ]
-
As of January 1, 2018, Room Designs, Inc. had a balance of $9,900 in Cash, $3,500 in Common Stock, and $6,400 in Retained Earnings. These were the only accounts with balances in the ledger on January...
-
F. Luo, G.C. MeBane, 0. Kim, C.F. Giese, and W.R. Gentry (J. Chem Phys. 98,3564 (1993) reported experimental observation of the He2 complex, a species that had escaped detection for a long time. The...
-
From data in Table 18.1 calculate the molar polarization, relative permittivity, and refractive index of methanol at 20e. Its density at that temperature is 0.7914 g cm-1,
-
Show that, in a gas (for which the refractive index is close to I), the refractive index depends on the pressure as nr = 1+ const X p, and find the constant of proportionality. Go on to show how to...
-
Problem 3 Progress Company acquired 6 0 % of Stall Corporation on 1 2 0 2 0 . Fair values of Stall's assets and liabilities approximated book values on that date. Progress uses the initial value...
-
C: The sor at the poopecin 0ieund to twe oxind places)
-
What information may an Appeals Officer not consider when reviewing a taxpayer's case? Select one: a. The cost involved for the IRS to hire an expert witness for litigation. b. Litigation hazards...
Study smarter with the SolutionInn App