Extract the copper from the copper nitrate solution
Name a metal that could be used in a future experiment to extract the copper from the copper (II) nitrate solution.
Here is the balanced equation if that helps answer the question: Cu (s) 2AgNO3 (aq) --> Cu (NO3)2 (aq) 2Ag (s)
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What is the mole fraction of NaCl in this solution. what would be the vapor pressure of this solution at 45C? The vapor presssure of pure water is 23.8 torr at 25C and 71.9 torr at 45C
The concentration of the alkane C20H42 (FM 282.55) in a particular sample of rainwater is 0.2 ppb. Assume that the density of rainwater is close to 1.00 g/mL and find the molar concentration of C20H42.
The value of delta H for 2CO(g) + O2 (g) = 2CO2(g) is -482 kJ. Calculate the heat released to the surroundings when 38.5 g of O2 (g) reacts with excess CO
The haloform reaction is executed in this experiment to synthesize benzoic acid from a methyl ketone, acetophenone. Provide an explanation for the following steps in the procedure. a) Why is acetone added at the end of the reaction
From your experimental data, how many moles of calcium carbonate are in one TUMS tablet? D. Using the value in your answer to question C. calculate the number of moles of HCI that two TUMS Tablets can neutralize.
When 0.629 g of Na3PO4*12H2O (molar mass = 380.12g/mol) and 0.527g of BaCl2*2H2O (molar mass = 244.30g/mol) are mixed with water forming 500ml of solution, how many grams of Ba3(PO4)2 (molar mass = 601.96g/mol) precipitates?
Assume that the ?Ho and ?So of vaporization do not change significantly with temperature. Calculate the vapor pressure of CH3OH at 70 oC (in atm).
0.1M HCl is added into a mixture of 25mL of water and 25mL of Ca(OH)2. For the end point to be reached 1.5mL of 0.1M HCl is added into the mixture
What has happened to the concentration of ascorbic acid in the solution in the flask over this waiting period (before the titration.)? Show your calculations.
Determine the osmotic pressure of an aqueous solution containing 250 g of glucose (C6H12O6) in a total volume of 1.0 L solution at 0.0 C.
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