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Calculate the PH fat equivalence point in titrating 0.100 M solutions of each of the following with 0.080M NaOH;( a) chlorous acid (hclo2), (b)benzoic acid(c6h5cooh) will give more points for all the steps.
Suppose you live in an alternate universe where a different set of quantum numbers is required to describe the atoms in that universe. The quantum number rules in the alternative universe are
Assuming the final concentration of chloride anion after the addition of hcl (precipitation step) was 0.1M what is the remaining concentration of Ag in the solution
Calculate the mass of KI in grams required to prepare 9.00 102 mL of a 1.00 M solution.
How many grams of dry NH4Cl need to be added to 2.10 L of a 0.500 M solution of ammonia, NH3 , to prepare a buffer solution that has a pH of 8.76? Kb for ammonia is 1.8*10 ^-5.
The membrane permeable only to Na^+ ions is used is used to separate the following solutions: 0.03M KCl and 0.070M NaCl and 0.070M KCl and 0.03M NaCl. Calculate the membrane potential at 298K.
A 493 mL sample of solution contains 33.2 g of CaCl2 Calculate the molar concentration of Cl in this solution
Write symbol for bromine.What is the atomic number of it in periodic table?How many protons and electrons are there in the atom of bromine?Give the highhest possible and minimal oxidation number for bromine.Determine its molar mass.
The charges and sizes of the ions in an ionic compound affect the strength of the electrostatic attraction holding that compound together. Based on ion charges and relative ion sizes, rank these ionic compounds
65.50 ml of 0.161 m hf is titrated with 0.1200 m naoh. what is thenbsp ph after 65.50 ml of base have been added? ka
hydrazine derivatives are commonly used in rocket fuels. combustion of n2h4 produces n2g and h2og. when 1.00 g of n2h4
Classify each of the following processes as spontaneous or nonspontaneous. I. H2O(l) --> H2O(g) T=25 deg C, vessel open to atmosphere with 50% relative humidity
the freezing point of the solution is lowered by 4.10 °C. The freezing point and Kf constant for cyclohexane can be found here. Calculate the molar mass of quinine
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