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Question- What are the concentrations of acetic acid (pKa = 4.76) and acetate in a buffer solution of 0.15 M at pH 4.5? Enter your answer to two significant figures. (For example, 0.0090 and 0.0097 each have two significant figures, whereas 0.009 has only one significant figure.)
Please provide with the balanced reaction.
For equal moles of CaCl2 as well as Fe(NO3)3 dissolved in the same volume of distilled water how do you expect the conductivities of each solution to compare. Make clear our reasoning
If 8.8 mg of iodine-123 is used in an experiment, how many milligrams of iodine-123 should remain after 50 hours? Assume that iodine-123 has a half-life of 10 hours.
A particular brand of gasoline has a density of 0.737 rm g/mL at 25 C. How many grams of this gasoline would fill a 15.1 gal tank?
A compound that is composed of only phosphorous and sulfur has a molecular weight of 222.27 g/mol. If the compound is 72.13% sulfur by mass, what is the name of the compound.
A+B˜2C (Keq=100). In an experiment 0.1 mole of A 0.1 Mole of B and 0.02 mole of C are introduced into a 5 liter box explain what are the equilibrium concentrations
35.5 grams of an unknown substance is heated to 103.0 degrees celsius and then placed into a calorimeter containing
Dihydroxybenzene and o-dihydroxybenzene can be separated by TLC using silica gel and a solvent of medium polarity. The ortho isomer has a significantly higher Rf value than the para isomer. Suggest a reason for this difference in Rf values.
Ammonia is used for refrigeration. the heat of vaporization of ammonia is 23.35kJ/,mol. How many grams of ammonia would have tovaporize toofreeze one tray of ice cubes
Calculate the osmotic pressure of a solution containing 24.9g of glycerin (C3H8O3) in 238.0mL of solution at 300 K.
What is the adipic acid production from cyclohexanol and cyclohexanone reaction by products
If the wave functions describing the 2s and two of the 2p orbitals are combined, the identical orbitals form bond angles of what degree?
Consider the reaction N2 (g) + O2 (g) ? 2 NO (g).a. How many g NO can be produced when 25.0 g of nitrogen reacts? b. How many g NO can be produced when 25.0 g of oxygen reacts? c. Based on your answers in a and b,
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