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Question- A buffer is prepared by adding 30.0g of sodium acetate (CH3COONa) to 600mL of a 0.150M acetic acid (CH3COOH) solution. Determine the pH of the solution. Ka=1.8 x 10^-5
Provide your answer in scientific notation
Calculate the energy in the form of heat in kj, required to convert 225 grams of liquid water at 21.0 degrees Celsius to steam at 115 degrees Celsius.
Calculate the % yield of Al2(SO4) from the reaction: 2Al(OH)3(s) + 3H2SO4(aq) -> Al2(SO4)3(s) + 6H2O(l) given that 205 g of Al(OH)3 react with 751 g of H2SO4 to yield 252 g Al2(SO4)3.
determine the density in gml of a 0.70 g sample of oxygen gas that occupies 5.0l. compare the density of oxygen gas to
Illustrate the equilibrium equation between the conjugate acid base pair of acetic acid (CH3COOH) when dissolved in water.
utilized 2.18 g of 0.15 M cobalt (II) nitrate to prepare as well as dissolve in 25mL of deionized water then added 35 more mL of rinsing to the volumetric flask. Explain what is the concentration
exactly solution of sodium carbonate of 50.0ml nbspwas titrated with 65.8ml of 3.00m hydrochloric acid. determine what
the reaction of magnesium metal with hcl yields hydrogen gas and magnesium chloride. what is the volume in liters of
A sample of krypton gas at a pressure of 0.621 atm and a temperature of 20.7oC, occupies a volume of 17.2 liters. If the gas is compressed at constant temperature to a volume of 5.62 liters, the pressure of the gas sample will be
What are the theoretical (stoichiometric) ratios of the reactants used in the condensation polymerization of phthalic anhydride and glycerol
Naphthalene has a relatively high vapor pressure for a solid (because of its volatility, naphthalene is the active ingredient in some brands of mothballs). In view of this, what might happen if you place naphthalene under vacuum or in an oven for ..
Calculate the heat of formation of Magnesium oxide (MgO). Data given are: Mg(s) +2HCl (aq) ......> MgCl2 (aq) + H2 (g) ?H = 462 kJ/mol MgO(s) + 2HCl (aq) .......> MgCl2 (aq) + H2O (l) ?H
What is the concentration of a solution made by diluting 95 mL of 6.0 M HCL to a final volume of 750 mL
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