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The Ka of a monoprotic weak acid is 6.08 × 10-3. What is the percent ionization of a 0.187 M solution of this acid?
How many grams of iron metal do you expect to be produced when 265 grams of an 84.5 percent by mass iron (II) nitrate solution reacts with excess aluminum metal?
Calculate the amounts of Cu AND Br2 produced in 1.0 h at inert electrodes in a solution of CuBr2 by a current of 4.50 A. MW (Cu) = 63.55 g/mol /MW (Br2) = 160 g/mol & n = 2 mol e-
A mixture of an amine, RNH2, and other items in CH2Cl2 was extracted with 10% HCl. The aqueous layer was discarded. The organic layer contained no amine. What went wrong?
What metal occurs in a vast limestone deposits and combines with oxygen to form an oxide with a formula MO ?
What are the respective concentrations (M) of Na and SO4 ions formed by dissolving 0.600 mol Na2SO4 in 135 mL water?
What is the maximum amount of CO2 (44.0095 g/mol) which could be formed from 16.42 g of CO (28.0101 g/mol) and 0.24 mol of O2 (31.9988 g/mol)? Answer in units of mol
The bases below are ranked lowest to highest. Explain the ranking order based on molecular characteristics.HCO2-Li+, HO-Li+, CH3CH2O-Li+.
How many milliliters of a 120 mL solution of 1.51 M BaCl2 must be used to make 16 mL of a solution that has a concentration of 0.3 M Cl-?
What is the theoretical yield of bismuth when 393 g of Bi2O3 reacts with excess carbon as shown below? Bi2O3 + C(s) => Bi(s) + CO(g) (not balanced)
Calculate the pH of the solution resulting from the addition of 10.0 mL of 0.10 M NaOH to 50.0 mL of 0.10 HCN solution.
After 48 h the pressure in the flask was observed to be constant at 488.0 torr. a. Calculate the equilibrium pressure of H2(g). b. Calculate Kp for this reaction.
Calculate the heat given off by the burning Mg in kJ/g. b)Calculate the heat given off by burning Mg in kJ/mol
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