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50.0 ml of 0.100M hydrofluoric is titrated with 0.100M NaOH. Determine the pH of the acid solution before the titration begins and the pH at the equivalence point when 50.0 mL of the NaOH has been added. The Ka of HF is 7.2*10^-4
How many grams of oxygen are collected in a reaction where 222 mL of oxygen gas is collected over water at a temperature of 25°C and a total pressure of 697 torr?
What mass of potassium bromide residue remains if 500.0 mL of 0.200 M potassium bromide solution are evaporated to dryness.
How many grams of aqueous iron bromide will be needed to react with an excess of potassium phosphate,K3PO4,to produce 17.1 g of solid iron phosphate?
Draw the two possible products of the reaction between benzaldehyde and ethylpropylketone
How long would it take for 1.50 mol of water at 100.0 degrees Celsius to be converted completely into steam if heat were added at a constant rate of 15.0 J/s.
Calculate the molar mass of a vapor that has a density of 6.735 g/L at 13°C and 825 torr.
What mass of Cu is electroplated by running 13.0 A of current through a Cu^2 solution for 4.00 h? Express your answer to three significant figures and include the appropriate units.
A sample of nitrogen (9.27g) reacts completely with magnesium, according to the equation: 3 Mg + N2 -> Mg3N2. The mass of Mg consumed is ____g?
aluminum oxide decomposes to produce aluminum metal and oxygen gas. When 9.8g of aluminum oxide decomposes, how many grams of aluminum are produced?
what will be the concentration of dichlobenil in the pond? The following conversion factors will be helpful: 1 acre=43,560ft2 1ft=12in 1in=2.54cm 1cm3=1mL 1ft3=28,317cm3
A buret containing NaOH solution has an initial reading of 0.14ml. 25.00ml of 0.1000M HCl is titrated to a phenolphthalein end point,
The dipole moment of SO2 and CO2 are 5.37x10-30 C.m and zero, respectively. What can be said about the shapes of the two molecules.
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