Copper deposited on a copper sulphate solution
Question: What mass of copper would you expect to be deposited from a copper (II) sulphate solution using a current of 0.50 A over 10 seconds?
Now Priced at $10 (50% Discount)
Methane (CH4), ammonia (NH3), and water (H2O) all have octets around the central atom. What are the shapes and bond angles of each of these molecules? Explain why they have different bond angles.
How many grams of sodium carbonate, silver nitrate, silver carbonate, and sodium nitrate are present after the reaction is complete.
Question: A sucrose (table sugar, molar mass 342 g/mol) solution was made by dissolving 68.2g of sucrose in 800 g of water. What is the freezing point of this solution if Kf of water is 1.86 degrees C/Molal?
A typical frostless refrigerator uses 655 kWh of energy per year in the form of electricity. Suppose that all of this electricity is generated at a power plant that burns coal containing 3.0% sulfur by mass
30 g of carbon are burned in a closed container under conditions of low oxygen. 70 g of carbon oxide forms. How much oxygen does this meann the carbon combined with?
It took 4.36 min with a current of 3.14 A to plate out all the silver from 0.146 L of a solution containing Ag+. What was the original concentration of Ag+ in the solution
Use the Henderson-Hasselbalch equation to calculate the pH of each solution: Part A - a solution that is 0.20 M in HCHO2 and 0.13 M in NaCHO2 Part B - a solution that is 0.11 M in NH3 and 0.17 M in NH4Cl
Enough of a monoprotic acid is dissolved in water to produce a 1.54 M solution. The pH of the resulting solution is 2.95. Calculate the Ka for the acid.
How many grams of CaCl2 were added? Assume the volume of the solution is not changed significantly by the addition of the CaCl2. Ksp CaSO4 = 2.4 x 10-5
A 500ml portion of a solution at pH=13 will just barely dissolve 3.2x10-4 moles of calcium hydroxide. What is the Ksp of calcium hydroxide
Start Excelling in your courses, Ask an Expert and get answers for your homework and assignments!!