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A 0.012 mol sample of Na2SO4 is added to 600mL of each of two solutions. One solution contains 2.5 x 10^-3 M BaCl2; the other contains 2.5 x10^-3 M CaCl2. (Ksp for BaSO4= 1.5 x 10^-9; Ksp for CaSO4 =6.1 x10^-5). Calculate to determine which one, CaSO4 or BaSO4, will form precipitate.
Compute How many mg of the compound P do you have in 20ml of 4% (w/v) solution of P
Draw a Lewis structure for each of the following molecules, and then use the VSEPR theory to predict the molecular deometry of each.
a 0.035 m solution of a monoprotic acid is 13 percent ionized. calculate the ionization constant of the
individual suffering from a high cholesterol level in her blood has 239 of cholesterol per 100 of blood. If the total blood volume of the individual is 5.4 , how many grams of total blood cholesterol does the individual's body contain?
Hydrogen gas was cooled from 150C to 50 C. It's new volume is75 mL. What was it's original volume?
Given the following balanced equation, determine the rate of reaction with respect to [NOCl]. If the rate of Cl2 loss is 4.84 x 10-2 M/s, what is the rate of formation of NOCl?
How many moles of O2 are required for the complete reaction of 43.5 g of C2H4 to form CO2 and H2O
Using the thermodynamic cycle in the tight binding KNI-764/HIV-1 protease example discussed in class, derive the Kapp= KKNI-764/(1+KAc-pepstatin[AcPepstatin]) for the apparent affinity constant (Kapp) for the competition assay between the weak (Ac..
a solid phosphorus pentabromide pbr5 is formed from solidphosphorus p4 and liquid bromine br2 according to the
What concentrations of acetic acid (pKa = 4.76) and acetate would be required to prepare a 0.20 M buffer solution at pH 4.5? Enter your answer to two significant figures.
determine the mass of a.30.0 ml of the liquid propylene glycol a moisturizing agent for foods which has a density of
The statements in the following multiple choices deal with various aspects of the relationship between vapor pressure and intermolecular forces. Choose the statement which is true.
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