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1. What is the mass in milligrams of H2O in 9.6mmol of Fe(NH4)2(SO4)2. 6H2O
2. Describe the preparation of 125 mL of 5.30 M HNO3 from a concentrated solution that has a specific gravity 1.42 and is 70% (w/w) HNO3.
Two of these students will report, within experimental error, the same increase in solution temperature for the neutralization. Which are the two students? Explain.
105 grams of iron fe is heated in test tube until it is 100 degrees c. then the iron is poured into a calorimeter
Explain why it is important to use crucible tongs when you transfer the heated crucible
if 11.3g of Ca(NO3)2 dissolves in 115.0g of water, the freezing point is depressed by -3.34C. from this data, what is the molal freezing point depression of water
Following the procedure of this experiment, a student team used 0.266g of barium nitrate and 0.424g potassium iodate and collected 0.395g of barium iodate. What was the theoretical yield of barium iodate?
When 36.8g of benzene reacts with an excess of chlorine gass, the acual yield of 38.8g what is the percentage yield?
Explain how the vapor pressure of a compound is related to the liquid-vapor equilibrium and its equilibrium constant.How would it vary with the addition of more liquid?
Determine the molarity of each of the following. be sure to show the setups by which you get the answers. Na+ and SO3(2-) in .647 M Na2SO3 Ca2+ and SO4 (2-) in .035 M CaSO4
Calculate the pH of the following aqueus solution: 0.61 M NH4Cl (pKb for NH3=4.74)
What by-product is formed along with benzilic acid in this experiment? Draw a structural formula for this substence.
The addition of bromine to ethene in the presence of high concentration of chloride ion in an inert solvent results in the formation of 1,2-dibromoethane and 1-bromo-2-chloroethane. No 1,2-dichloroethane is obtained. Explain above experimental fac..
What are the steps to determine isotope fractionation between water and vapor at 25 degrees C
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