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Calculate the pH of a solution resulting from the addition of 10.0 mL of 0.10 M NaOH to 50.0 mL of 0.10 M benzoic acid (Ka = 6.5 x 10-5).
A news station in your local area has predicted a severe winter storm on the way and they want to make sure the streets don't freeze over. Which solution should they use to put on the streets to lower the freezing point, MgCl2 or NaCl, and explain..
Silver chloride will precipitate out of solution, leaving an unsaturated solution of AgCl. D) Nothing will happen since NaCl and AgNO3 are both soluble compounds.
Determine the mass of CO_2 produced by burning enough carbon (in the form of charcoal) to produce 490 kJ of heat.
If, at a given temperature, the equilibrium constant for the reaction H2(g) + Cl2(g) 2HCl(g) is ?6.0, then the equilibrium constant for the reaction HCl(g)
A student determines the iron(II) content of a solution by first precipitating it as iron(II) hydroxide, and then decomposing the hydroxide to iron(II) oxide by heating.
When ethylamine, a weak base (Kb=4.3E-4), reacts with the formic acid, a weak acid (Ka=1.8E-4), the following reaction takes place: Calculate K for this reaction.
strong/weak and concentrated/dilute. Provide an appropriate example using each of these terms to describe a solution
calculate the heat released when 3.89 l of cl2g with a density of 1.88 gl reacts with an excess of sodium metal at
If you dilute 750.00 mL of a 4.117 × 10-4 M solution into a 2.00 L volumetric flask and fill to the line with water, what would be the final concentration of the solution?
An airplane is pressurized to 650 mmHg, Which is the atmospheric pressure at a ski resort at 1.30 * 10^4ft alt?
Calculate the pKa value of the acid and determine the number of moles of acid initially present. When the reaction is complete, what is the concentration ratio of conjugate base to acid? How many moles of strong base were initially added
Hydrocarbon mixtures are used as fuels. What mass of CO2 gas is produced by the combustion of 189.2 g of a mixture that is 57.6 % CH4 and 42.4% C3H8 by mass
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