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A sample of H3A with a mass of 0.3606g was dissolved in water and titrated with 0.16M Ba(OH)2 solution.24.5mL of base were required to reach equilibrium point. What was the MM of the acid?
Using chemical equations, show how the triprotic acid H3PO4 ionizes in water. Phases such as (l) or (aq) are optional Ka1 = ? Ka2 = ? Ka3 = ?
Calculate the molarity of a solution made by dissolving 0.0715 mol Na2SO4 in enough water to form exactly 550. mL of solution
How many milliliters of a 0.150 M sucrose solution will be needed to perform an experiment in which 36.69 g of sucrose is needed
for a solution having 1 x 10-3 equivalentsliter total alkalinity contributions from hco3- co32- and oh- at h4.69 e-11
Conversely, what is the percent H2SO4 in a 6.0M solution of H2SO4? Density of solution = 1.84g/cm^3
(A) What is the electron configuration of diatomic BN+? What is its bond order?
Calculate the volume of glacial acetic acid (17.6M) and eight of sodium acetate (mm=82.03) that is required to make 102 mL of 0.2M buffer at ph 4.85. The Ka of acetic acid is 1.4*10^-5.
A mutant hemoglobin has His146 of the beta chain replaced with a threonine residue. predict what the consequence of this mutation might be. specifically:
Calculate the molar solubility of AgCl in a solution made by dissolving 10.0 g of CaCl2 in 6.00 L of solution
A mixture of gases containing 21.0 g of N2, 106.5 g of Cl2, and 12.0 g of He at 14 oC is in a 50.0 L container. What is the partial pressure of N2.
A cube of an unknown metal measures 1.61 mm on one side. The mass of the cube is 36mg.
considering the given chemical equation as c2h5oh lo2gco2gh2og you just need to balance this equation and also show
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