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Compute the [H+] in a 0.10 M acetic acid solution that is 0.10 M with respect to sodium acetate. The Ki constant of acetic acid is 1.8 x 10-5. Explain what is the corresponding pH?
The solution is filtered, and a 60.00mL sample titrated with HCl requires 11.13mL of 9.78×10?2 M HCl to reach the end point. Calculate Ksp for Ca(OH)2
The solubility product of BaSO4 is 1.1 x 10-10. In a 0.1 M solution of Na2SO4 that is saturated with BaSO4, the Ba2+ concentration is closest to
A piece of lead is placed into a graduated cylinder. The level of the liquid rises from 235 to 305 mL. What is the mass in grams of the lead if the density of lead is 11.3g/cm3?
0.5000 g of carbon, hydrogen, oxygen compound is burned. If 0.7329g of CO2 and .3000g of H2O are produced, What is the empirical formula of the compound
It is known that the peptide linkage in proteins and peptides is planar and restricted rotation about the carbon-nitrogen bond. Explain why this is true. figure yo support your answer.
The solubility product constant for Ce(IO3)3 is 3.2x10^-10. What is the Ce3+ concentration in a solution prepared by mixing 50.00mL of 0.0250M Ce3+ with 50.00mL of 0.250M IO3-
What volume of 0.125 M cobalt(III) sulfate is required to react completely with 4.00 g of potassium carbonate if the reaction proceeds according to the following equation
Determine thel volume (mL) required to prepare each of the following: a)20.0 mL of a .250 M KNO3 solution from a 6.00 M KNO3 solution. b)25.0 mL of 2.50 M H2SO4 solution using a 12.0 M H2SO4 solution. c).500 L of a 1.50 M NH4Cl solution using a 10..
What type of crystal (atomic, molecular, ionic, metallic, or network covalent) are crystals of each of the following:
The following reaction is first order with respect to NO and first order with respect to O2, and the rate constant is 5.0 x 104 M-1s-1. What is the rate of the reaction when [NO] = 0.125 M and [O2]=0.250 M
Does (CH3CH2)2C=CHCH2CH3 have any cis/trans isomers and if so what are they? Also what's the compound structure?
Calculate the proportion by mass of titanium in Sphene. Give your answer as a percentage to 2 significant figures. You will need to consult the Periodic Table in Book 4, page 48, to obtain the relative atomic masses of the elements in the mineral.
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