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Lithium carbonate, Li2CO3, contains 18.8 % lithium and is used in the treatment of mental illnesses such as bipolar disorder. What mass of lithium is present in a 1.87-g dose of lithium carbonate?
(a) How many mL of KOH will it take to reach the equivalence point? (b) Calculate the pH at the equivalence point. The Ka of HClO is 3.8 x 10-8.
Presume the yield in the experiment had been less than 100%. Would the value of n have been greater or less than the value calculated by assuming 100% yield? Why?
Describe treatment mechanisms for each condition when the regular compensatory mechanisms are not working well.
An empty 2.00 L flask at 250.°C was filled with PCl5(g) to a pressure of 0.249 atm, and then the PCl5 was allowed to decompose as shown below.
Explain what will the pH be for a solution that consists of equimolar weak acid and the anion of the weak acid where the Ka for the weak acid is 6.4 x 10-5
the oxidation of nitric oxide to nitrogen dioxide is2nog o2g reg 2no2gif 100.0 ml of no at stp reacts with 400.0 ml of
How many grams and what volume of nitrogen gas will be formed using 81.4 mg of Copper (II) oxide at STP in the following reaction?
11 mL of 0.0100 M HCl are added to 25.0 mL of a buffer solution that is 0.010 M HC2H3O2 and 0.11 M C2H3O2-. What is the pH of the resulting solution
a sample contains 67.0% of the R isomer and 33.0% of its enantiomer, what is the observed specific rotation of the mixture?
1. The following reaction is 4 order overall and 1 order in [A]. Determine the missing exponents, a and b.
Determine the limiting reactant and the numbers of moles of Cu will be formed If you place .092 mol of iron filling in a solution containing .158 mol of Copper sulphate,?
A 1.30 M solution of citric acid (H3C6H5O7) in water has a density of 1.10 g/cm3. Calculate the mass percent, molality, mole fraction, and normality of the citric acid. Citric acid has three acidic protons.
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