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A commercial aspirin tablet contains 325 mg of aspirin. How many tablets could you manufacture from your aspirin?
Calculate the pH of a solution made by mixing 100. mL of 0.200 M acetic acid (HC2H3O2) with 100.0 mL of 0.100 M NaOH. (Ka for HC2H3O2 = 1.8 x 10-5)
At 25 °C and 775 Torr, carbon dioxide has a solubility of 0.0347 M in water. What is its solubility at 25 °C and 1370 Torr
Two solutions, "A" and "B", are labeled "0.21 M CaCl2" and "0.34 M CaCl2", respectively. Both solutions contain the same number of moles of CaCl2. If solution A has a volume of 25 mL, what is the volume of solution B
Mg metal is considered an active metal,in that it spontaneously reacts with an HCl solution.silver(Ag),however, does not react with the HCl solution to any appreciable extent.using the table of standard reduction potentials, briefly explain why th..
Write both an equation using Lewis structures and a balanced chemical equation for the following reactions. Silicon atoms and chlorine molecules.
urea at 25c are 0.605 atm and 0.245 amt respectively. calculate the van't hoff factor for the CaCl2.
A flask contains 0.120 mol of liquid bromine, rm Br_2. Determine the number of bromine molecules present in the flask.
calculate the number of oxygen molecules released when 1g of silver oxide is broken down.
Given that the freezing point of pure water is 0 C and that the freezing point depression constant for water is 1.853 (C kg)/mol calculate the molar mass (g/mol) of this compound
C and dropped into a calorimeter containing water (specific heat capacity 4.18 J/ g C) initially at 20.2deg C. The final temperature of the water is 33.7 deg C. Caluclate the mass of water in the calorimeter.
Determine the partial pressure and total pressure of the gases and Find the partial pressure of carbon dioxide in a gas mixture
Write balanced chemical equations and net ionic equations of KOH reacting with the following compounds (a) (NH4)2SO4, the reaction mixture is heated
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