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Explain how many total moles of ions are at large when the subsequent sample dissolves in water? 5.28*1022 formula units of FeCl3=?
Properties of subatomic particles - Fill in the missing relative masses and relative charges for each of the subatomic particles
Why do you not need to accurately measure the volume of deionized water in which you dissolve the iron salt
Use Henderson Hassalbalch equation to calculate how much HCl must be added to a liter of buffer that is 1.5 M in acetic acid and 0.75M in sodium acetate to result in a buffer pH of 4.10? Ka = 1.8 x 10-5
Caluclate the energy requried to raise the temperture of 1.0 mol Ag by 1.0 C. c.it takes 1.25kj of energy to heat a sample of pure silver from 12.0 C to 15.2 C. Calculate the mass of the sample of silver.
A 2L steel vessel is filled with 1.5atm of He gas at 25 degrees Celsius. Then 5 grams of O2 gas are added to the vessel at constant temperature. Determine the resulting total pressure in the vessel.
An unknown radioactive substance has a half-life of 3.20 hours. If 46.0 g of the substance is currently present, what mass was present 8.00 hours ago
What is the volume of 1.5 mol of nitrogen gas at 0.5 atm of pressure and 58 degrees celsius
a 28.2 g sample of nickel metal is heated to 99.8 degrees celsiusand place in a coffee-cup calorimeter containing 150.0
what is heat capacity. write a simple procedure for determining the heat capacity of your calorimeter
When CO2 is bubbled through an ether solution of benzylmagnesium bromide, and the resulting mixture is acidified, phenylacetic acid is produced.
Determine the molarity of a solution prepared by dissolving 4.50 mol of NH4Cl in sufficient water to make 2.00 L of solution.
Calculate the pH at each of the following points in the titration of 50.0 mL of a 0.95 M B(aq) with 0.95 M HCl(aq).
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