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A 4 g sample of the metal nitrate M (NO3)2 was dissolved in water as well as treated with excess aqueous sodium sulfate. The sulfate salt that formed weighed 3.318 g. Find out the identity of the metal.
A) Pb
B) Ba
C) Ca
D) K
E) None of these
Draw the major organic product formed when nitrobenzene reacts with Cl2 in the presence of AlCl3.
Which of the following IS NOT an example of a colligative property. A. vapor pressure reduction B. boiling point elevation C. freezing point reduction D. all of these are colligative properties
briefly explain how you will isolate p-tert-butylphenol after you have extracted it into NaOH solution.
what is the final temperature of the block after the evaporation of the alcohol. Assume that the heat required for the vaporization of the alcohol comes only from the aluminum block
A 18.8-g mixture of nitrogen and carbon dioxide is found to occupy a volume of 13.5 L when measured at 759.1 mmHg and 25.6oC. What is the mole fraction of carbon dioxide in this mixture?
A student weighs out 0.568 g of KHP (molar mass = 204 g/mol) as well as titrates to the equivalence point with 36.78mL of a stock NaOH solution. Explain what is the concentration of the stock NaOH solution. KHP is an acid with one acidic proton
Calculate the concentration of oxygen in water given that the Henry's law constant of oxygen is 4.259 ×104 atm and the partial pressure of oxygen is 0.2 MPa.
What is the standard potential, E cell, for this galvanic cell? Express your answer to four significant figures and include the appropriate units.
The rate constant for a reaction is 1.6 x 10^-2 s^-1 at 680k and 4.6 x 10^-2 s^-1 at 890 K. What is the activation energy?
Titration of metal ion with EDTA. using the spreadsheet equation 11-11 to compute the curves (pM versys mL of EDTA added) for the titration of 10 mL of 1.00 mM M2+ (=Cd 2+ or Cu2+) with 10.0 mM EDTA at pH 5.00. Plot both curves on one graph.
A hydrate of calcium chloride contains 49.3% water and has a formula weight of 219 g/mol. Calculate the molecular formula of the hydrate.
130 mL of an HCl solution with pH of 3.90 is added to 200 mL of an HNO3 solution. The resulting solution is 1.40 mL. What was the pH of the original HNO3 solution?
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