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Consider the titration of 20.00ml of HCL(aq) with M=.400 by .800 KOH(aq) determine the mL KOH needed at the equivalence point and the ph upon the addition of this volume of KOH.
The purity of a 0.287 -g samole of Zn(OH)2 is determined by titrating with a standard solution, requiring 37.8 mL. The HCL solution was standardized by precipitating AgCl in a 25.0-mL aliquot
The action of bacteria on meat and fish produces a poisonous compound called cadaverine. As its name and origin imply, it stinks!
A 0.0560 g quantity of acetic acid is dissolved in enough water to make 50.0 mL of solution. Calculate the concentration of H+, CH3COO-, and CH3COOH at equilibrium. Ka for acetic acid= 1.8x10^-5.
Calculate the current strength needed to vaporize 12 g of compound X (Mw = 180.16 g/mol and a molar enthalpy of vaporization of 106.4 kJ/mol) in 30 seconds using a 16 volt battery.
While in Europe, if you drive 117km per day, how much money would you spend on gas in one week if gas costs 1.10 per liter and your car's gas mileage is 41.0km/L ?
What mass of HCl gas must be added to 1.00L of a buffer solution that contains [acetic acid]= 2.0M and [acetate]= 1.0M
You are provided with the instrumental information below, identify the compound it was obtained for, explaining your reasoning.
a mixture of gases containing .20 mol of SO2 and .2 mol of O2 in a 2.0L flask reacts to form SO3. If the temperature is 25C, what is the pressure in the flask after reaction is complete?
Potassium and oxygen gas react to form potassium oxide. b. Sodium and water react to form sodium hydroxide and hydrogen gas. c. Iron and oxygen gas react to form iron (III) oxide.
How many grams of phthalic acid o-C6H4(COOH)2 would be neutralized in 16.2 ml of a 0.100N NaOH solution?
The electron in a hydrogen atom falls from an excited energy level to the ground state in two steps, causing the emission of photons with wavelengths of 2624 nm and 97.2 nm, respectively.
Calculate the ratio of rates of effusion of O2 versus Cl2. Record your answers to three significant figures. The concentration of CO2 in the atmosphere is 375ppm (by volume). What is the mole fraction of CO2 in the atmosphere?
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