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Concentrated acetic acid is 13 M. What is the molarity of an HC2H3O2 solution prepared by diluting 30 mL of concentrated acid to a total volume of 500 mL?
Concentrated nitric acid is 22 M. What volume of HNO3 must be diluted with distilled water to prepare 6.00 L of 0.40 HNO3?
A 25.0 mL aliquot of an FeSO4 solution is titrated against standard 0.0100M K2Cr2O7 solution using diphenylmethane indicator. At the end point 23.oo mL of K2Cr2O7 solution have been consumed. Calculate the normality and the molarity of of the FeSO..
Recognize the basic concepts of organic chemistry and the classes of organic compounds - Discuss the various phases of matter
Calculate the mass defect and nuclear binding energy per nucleon of the each of the nuclides indicated below. A)Ti -48 (atomic mass = 47.947947 amu) mass defect = ______amu and Binding energy nucleon = ______MeV/nucleon
Explain how the atomic/molecular properties of the H2O can explain this statement: The temperature of liquid water rises and falls slowly. What accounts for the high degree of variability between different proteins?
What should you observe happening to the gas produced: A) If the concentration of the acid HCl is increased? B) If the solid calcium carbonate is in powder form
Problem- The flask shown here contains 0.761 g of acid and a few drops of phenolphthalein indicator dissolved in water. The buret contains 0.160 M NaOH. 1) What volume of base is needed to reach the end point of the titration
An aqueous solution of .043 M weak acid HX, has a pH of 3.92. Explain what is the pH of the solution if .021 M of KX is dissolved in one liter of the weak acid
write the formula of the complex ion formed between a. the ligand cl- and the copper ii ion with a coordination number
Cyclopropane, C3H6 is an anesthetic given by inhalation. How many grams are in 0.23 mole of cyclopropane
How many grams of potassium permanganate are required to prepare 2 qt of 1:750 solution of potassium permanganate
Imagine that a chemist has cyclohexanone, triphenylphosphine, butyllithium, and 2-bromobutane.
Assume that the density of the mixed solutions is 1.00 g/mL, that the specific heat of the mixed solutions is 4.18 J/(g celcius), and that no heat is lost to the surroundings. The deltaHrxn for the neutralization of NaOH with H2SO4 is -114 kJ/mol ..
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