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a) How many grams of sodium lactate should be added to 1.00L of 0.150 M lactic acid to form a buffer solution with pH = 4.10? Assume that no volume change occurs when the sodium lactate is added.
b) Calculate the percent ionization of 9.0×10-2M lactic acid in a solution containing 5.5×10-3 M sodium lactate.
Compute the pH of a solution formed by adding 14.1 g of baking soda (sodium bicarbonate) to enough water to make a 190.0 mL solution
How many moles of water will be formed from 0.2 mole of CH4 reacting with enough O2. In this reaction CH4+2O2--->CO2+2H2O
Squalene is an important acyclic hydrocarbon whose molecular formula is C30H50. How many pi-bonds does squalene have? explain and show calculation.
Calculate the values of the rate constant k assuming that the reaction is first order
The final volume of the balloon is 1500 mL. The atmospheric pressure is 1.00 atm. What was the original pressure of HI in the cylinder before the release of HI
A 3.50g sample of histidine dihydrochloride (fw 228.08g/mol) in water and diluting to a final volume of 50.00ml. The resulting solution is then titrate with 0.500M NaOH. calculate the pH at each of the following points
list the following compounds in order of increasing lattice energy from least negative to most negative lii lif cao
what amount of heat would need to be added to 5.0 x 103 g of water to change its temperature from 21c to 84c?
The initial temperature of the acid was 22.1 degrees Celsius and the initial temperature of the base was 22.1 degrees Celsius. after mixing, the temperature was 27.8 degrees Celsius. the density of the solution is assumed to be .998 g/mL. What is ..
under certain conditions the averagerate of appearance of oxygen gas in the reaction 2o3g --- 3o2gis .0012 atms-1. how
Particular solid is soft, a poor conductor of heat and electricity, and has a low melting point. Generally, such a solid is classified as
the vapor pressure of pure ethanol at 35c is 102.8 torr and that of pure chloroform is 295.1 torr. in an
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