Products of a reaction
Predict the products of a reaction of the following acids and bases. Will the equilibrium favor the reactants of products in each case?
a) NH2- and HF
b) H2PO4- and CO32-
c) HClO2 and ClO3-
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What difference is there in change of pH with volume of NaOH added near the equivalence point as compared to a point earlier in the titration
Calculate the H3O+ concentration and the PH for the following: a) a solution with OH- concentration= 4.5*10^-4 M? b) a solution with a pH of 5.6
What is the frequency of a photon having an energy of 8.56 x 10-16 J?
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The element rhenium (Re, atomic number 75) has two naturally occurring isotopes, Re-185 (mass = 184.935 amu) and Re-187 (mass = 186.956 amu). Calculate the percent abundances of the isotopes of rhenium.
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