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How much 10.0 M HNO3 must be added to 1.00L of a buffer that is 0.001 M acetic acid and 0.1 M sodium acetate to reduce the pH 5.45? (pKa of acetic acid = 4.75)
THe first equivalence point was reached after the addition of 15.25 mL of base. THe second equivalence point was reached after the addition of 30.98 mL. Find two values for the molarity of H3Y in the original sample.
The half-life for a first-order reaction is known to be 379 seconds at a given temperature. What is the rate constant at this temperature?
How much heat is released when 25mL of 0.10 M NaOH reacts with 50 mL of 0.10 M HCl?
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?
In the titrating vinegar expirment briefly explain if the following errors would result in high or low expermental determination of the molar concentration of ch3cooh
The original conditions in a container filled with gas at constant temperature are 183 mL and 310 mmHg. The desired new volume is 90.6 mL.
Compute the initial pressure of the gas in the cylinder. b. Compute how much heat must be added to the gas in the cylinder for the spring to compress by 2cm
Which of the following statements are true regarding the liquid-liquid extraction performed in the synthesis of phenacetin. Note that there may be more than one correct answer. Dichloromethane is the bottom layer because it is more dense than water..
According to the following thermochemical equation, what mass of H2O (in g) must form in order to produce 975 kJ of energy?
During fractional distillation, which of the following chemicals would come out at the top of the tower?.. octane, ethane, wax, or coal tar?
Don't worry about the concentrations of reagents or the colors resulting precipitates (if any). You don't have to precipitate all ions, just separate them
Calculate the magnitude of the current in amperes if the number of moles of hydrogen gas produced is 4.80×10-4 moles.
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