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Explain how much HCL must be added to a liter of buffer that is 1.3M in acetic acid and .80M in sodium acetate to result in a buffer pH of 4.09?
Arrange these compounds in order of increasing boiling point and explain your reasoning. (assume similar mass) CH3OCH3 CH3CH2CH3 CH3CH2OH 2. Which of the following compounds would have the greater viscosity?
a metal wire 1 mm in diamter x 10 m long carries a current of.1 a. if the metal is pure copper at 30 degrees c what is
If you have the compound Na^2[TaF^7], how do you determine the charge of the cation for the transition metal. In this case, Ta (Tantalum) is the transition metal.
Calculate the number of moles in each of the following: a) 85.2 g of Ni, b) 144 g of K, c) 6.4 g of H2O, d) 308 g of BaSO4, e) 252.8 g of fructose C6H12O6
A 50.00-mL sample of white dinner wine required 24.76 mL of 0.03867 M NaOH to achieve a phenolphthalein end point. Express the acidity of the wine in terms of grams of tartaric acid
Calculate the rate of water removal from the condenser, the rate of dehumidified (1.50% water) air delivered to the house, and the flow rate and composition of the humid air entering the condenser
Draw N-ethyl-3-methylpentanamide. Draw your structural formula with all necessary hydrogen atoms.
at a given temperature the vapor pressures of benzene and toluene are 183mm Hg and 59.2mm Hg. Calculate the mole fraction of benzene in the vapor phase over a solution of benzene and toluene with Xbenzene=0.600
A 4.90 g nugget of pure gold absorbed 266 J of heat. What was the final temperature of the gold if the initial temperature was 23.0°C? The specific heat of gold is 0.129 J/(g·°C).
Briefly explain why it is important to allow a hot sample to cool to room temperature before you determine its mass.
A solution of CaCl2 has a density of 1.071 g/ml and a standard deviation of 0.008 g/ml. What is the concentration
Calculate the moles and the mass of solute in 250.0 mL of 6.00 M NaOH.
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