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Calcium phosphate is a very insoluble salt. For Ca3(PO4)2 Ksp = 2 x 10-33. What would be the required concentration of phosphate ion (PO4 -2 ) in order to reduce the Ca+2 concentration to 3 x 10-9 M?
You are given a solution of the following cations in water: Ag+, Co2+, Ba2+, Zn2+, and Sn2+. You want to separate the ions out one at a time by precipitation using the following reagents: NaF, NaI, Na2SO4, and NaCl.
what fragmentation must occur in this compound to produce a base peak at m/z 30 in the mass spectrum
What is the rate of reaction and state conditions affecting rate of reaction
Pesticide concentrations in the Rhine River between Germany and Grancn between 1969 and 1975 averaged 0.55 mg/L of C6Cl6, 0.06 mg/L of C12H8Cl60 and 1.02 mg/L of C6H6Cl6.
a a catalyst may be defined as a substance that enhances the rate of a chemical reaction without being consumed in the
what is the concentration of solute particles or ions in moll present in 1 l of the following aqueous solutions? assume
construct molecular models of threo- and erythro-2,3-dibromo-3-phenylpropanoic acid and show which diastereomer would be formed by anti addition of bromine to trans-cinnamic acid
WHen electrons in a molecule are not found between a pair of atoms but move throughout the molecule, this is called
Gel filtration of the protein gave an estimated molecular weight of 85000 g/mol. How many His residues are in the protein
What is the buffer system in buffered aspirin?explain
why is the lattice energy of potassium bromide more exothermic than the lattice energy of rubidium
if 164 of wet h2 is collected over water at 24c and a barometric pressure of 739 how many grams of zn have been
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