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Calculate the expected vapor pressure at 25 OC for a solution containing 158.0 g of nonelectrolyte sucrose (MW = 342.3 g/mol) in 643.5 mL of water. At 25 OC, water has a density of 0.9971 g/mL and its vapor pressure is 23.76 torr.
In a basic aqueous solution, chloromethane undergoes a substitution reaction in which Cl- is replaced by OH-: CH3Cl(aq)+OH-(aq) CH3OH(aq) + Cl-(aq)
(a) Derive the Cu2+ hydroxide solubility diagram given in class. Show your derivations for the lines and then plot the lines and include the solubility or CT,Cu as a function of pH (a log C - pH diagram)
How many grams of NaOH must be weighed to prepare 1.50 L of an aqueous solution of 3.75 M NaOH. The mass of NaOH is ___x10^__ g
find the concentration of calcium ions in a solution made by adding 3.50 g of calcium fluoride to 750ml of .125M NaF. Ksp for CaF2 is 3.95x10^-11
Put the following steps of GroEL-GroES chaperonin function in order, starting with an unfolded polypeptide and ending with a polypeptide in its native conformation
A second 1.0 mL sample is spiked with 2.0 microliters of a 1000 ppb Pb2+ standard and diluted to 5.0 mL, yielding an Sspike of 0.4. Determine the concentration of Pb2+ in the original sample of blood.
The ka of acetic acid is 1.8 x 10^-5. Please show the calculations for the preparation of 100 mL of an acetic acid - sodium acetate pH 5.0 buffer using .10 M acetic acid.
An athlete wants to acquire red blood cells from a donor with the same blood type. Taking into consideration that blood is composed of three components, plama, red blood cells, and leukocytes. what instrument have used in our lab experiments that ..
What is the theoretical yield (in grams) of the precipitate when 22.2 g of iron(II) chloride reacts in solution with 10.91 g sodium hydroxide
A student determines the molar mass of methanol. She found that the equilibrium temperature of a mixture of ice and pure water was 0.4 degrees C on her thermometer
Draw a line-bond structure for a compound with a molecular formula of C5H14 and one carbon with only one hydrogen attached to it.
Draw the structures of the eight isomeric pentyl alcohols (C5H11OH) and name them including primary
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