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What is the molarity of a solution containing 0.825 moles of solute in 553 mL of solution?
A saturated solution of magnesium hydroxide in equilibrium with undissolved solid is prepared at 25 degree celcius. The pH of the solution is 11.03. Calculate the value of the Ksp
Question- Nickel is electroplated from a NiSO 4 solution onto a copper sheet. How many grams of nickel will be deposited if a 2.5 a current runs for 30 minutes? How would your calculations differ if the substance deposited were silver from a AgNO ..
At room temperature 22.0 C the vapor pressure of benzene is 0.302 atm and the vapor pressure of hexane is 0.374 atm. What is the total vapor pressure at room temperature for a 2:1 mixture of hexane to benzene
Transform the dependent variable (absorbance) to their natural logarithms, and plot them against the independent variable (time). Identify a time t' that defines the begining of the linear portion of the decay curve.
What is the pH of the buffer that result when 12 g of NaH2Po4 and 8.00 g of NaHPO4 are diluted with water to a volume of 0.50 L ? ( Ka of H2PO4- = 6.2*10^-8 , the molar masses of NaH2PO4 and Na2HPO4 are 120.0 g/mol and 142.0 g/mol respectively )
Which of the following processes listed below represents the experiment for measureing an ionization energy?(E--> represents a nuetral element, "m"- represents a metal cation; and X represents a nonmental anion)
Calculate the molar concentration of the HCL solution that the student used. Calculate the number of moles of HCL neutralized by the antacid tablet.
Partition coefficient in octanol, A monoprotic acid with a Ka of 2.83 x 10-5 has a partition coefficient of 2.8 (favoring octanol) when distributed between water and octanol.
boron has two naturally occuring isotopes 10b 19.9 and 11b80.1. althought the b2 molecule doesn not exist naturally on
Determine the second order rate constant from the initial concentration and half life and what is the second order rate constant?
If an enhancer is placed on one plasmid as well as its corresponding promoter is placed on a second plasmid that is catenated (linked) with the first initiation is almost as efficient as when the enhancers as well as promoter are on the same plasm..
Potassium hydroxide is used to precipitate each of the cations from their respective solution. Determine the minimum concentration of KOH required for precipitation to begin in each case.
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