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If 4.0 g of CuSO4 are dissolved in 7.5 x 10^2 mL of .30 M NH3, what are the concentrations of Cu^2+......?What are the concentrations of Cu^2+, Cu(NH3)4^2+, and NH3 at equilibrium? The formation constant for Cu(NH3)42+ is 5.0x10^13
Calculate the pH and pOH of a solution that has an H2O+ concentration of 1.3 x 10 -6M.
When electrical current of unknown magnitude is run through the device for 4.00min , 13.1mL of water-saturated H2(g) is collected. The temperature and pressure of the system are 25C and 715torr. A. How many moles of hydrogen gas are produced
What is the final concentration of a BSA solution made from 400 uL of stock BSA solution (initial concentration 500 mg/mL) diluted with 1600 uL of water
An unknown liquid boiling around 185 +/- 5 degrees C in 5% HCl and in a pH 5.5 buffer but is insoluble in water. Shaking the unknown with p-touluenesulfonyl chloride in aqueous NaOH produces a white precipitate that doesn't dissolve in dilute HCl...
a boy wants to prepare an aqueous solution of sucrose with a vapor pressure of 15.0 mm hg at a temperature of 20 degree
1. what are the advantages and disadvantages of natural products as lead compound?2. what is meant by target
what is the difference between a 10% (v/v) methanol (CH3OH) solution and a 10%(m/m) methanol solution
The compound has a molecular mass of 70. D) The compound contains a cyano or alkyne group. E) The compound contains a CO group
The boiling temperature is found to be 157 C(760 torr) as the first small amount of distillate is collected. The standard vapor pressures of n-propylcyclohexane and n-propylbenezene are known to be 769 toor and 725 torr
The bond in molecular iodine is quite weak, and hot iodine vapor contains a proportion of atoms. When 1.00 g of I2 is heated to 1000 K in a sealed container of volume 1.00 L
If you were cooking food in boiling water on the stove, could you increase the speed of cooking by increasing the heat. Why or why not. What is effect does adding salt to water have on the boiling point. Explain
what do atoms with a strong attraction for electrons they share with another atom exhibit. What are the formulas for nonpolar covalent compound, polar covalent compound, and ionic compound.
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