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What is the equilibrium concentration of H+ in the following reaction, assuming that you start with a 1.00 M solution of acetic acid (CH3COOH).
CH3COOH (aq) <--> CH3COO- (aq) + H+ (aq) K = 1.8 x 10-5looking for the answer in terms of [H+]
What volume of 0.140 M Hydrochloric acid is required to neutralize 2.68g of Magnesium hydroxide.
What is the ionization state of aniline (protonated, deprotonated, or a mix) at pH 1, 4.6, and 14?
What is the freezing point of a solution containing 3.10 grams benzene (78.11 g/mol) dissolved in 32.0 grams paradichlorobenzene
The solubility of O2 (g) in water is 4.43mg O2/100 g H2O (20ºC and 1 atm). What is the molarity (M) of this saturated solution?
Assuming that the outdoor formaldehyde concentration is neglible, calculate the steady-state concentration in the air inside the room. Does the concentration exceed the concentration (100 ppbv) considered to be the level of concern?
What mass of CaCl2 , when dissolved in 100.00 g of water, gives an expected freezing point of 5.0°C; CaCl2 is ionic? What mass of glucose would give the same result?
A 0.7445 g sample containing only CaCO3 and Mg(OH)2 is titrated using 0.3004 M HNO3. If it takes 31.75 mL of HNO3 to reach the end point of the titration
calculate the root mean square speed of Ne atom at the temperature at which their average kinetic energy is 6.97 kJ/mol. Answer should be in m/s.
Calculate the pH of 1.00 L of a buffer that is 0.140 M HNO2 and 0.180 M NaNO2. What is the pH of the same buffer after the addition of 1.00 mL of 12.0 M. HCl. (pKa of HNO2 = 3.40). What is the pH of the Original buffer and after HCl is added?
Carbon dioxide and water form during combustion of propane. How many grams of water vapor form when 5.39 g of propane react
when sodium azide , NaN3 , is activated in an automobile air bag , nitrogen gas and solid sodium are produced . if 0.0500 moles of NaN3 react , what mass , in grams , of nitrogen would result ?
How much energy (kJ) is required to convert a 25.0 g ice cube at -15.0oC to water vapor at 250oC?
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