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What is the pH of a propanoic acid - propanoate buffer that is 0.25M in CH3CH2COONa and 0.15M with respect to CH3CH2COOH? Ka for propanoic acid = 1.3 x 10^(-5).
Describe how branched-chain fatty acids affect the fluidity of membranes and rank the following fatty acids in the order of increasing solubility in water.
If the water in your house has 1000.0 mg/L of calcium carbonate dissolved in it, How many grams of sodium oxalate could you mix with 100.0 mL of that water before a precipitate would form.
How much 0.20mol/L sodium hydroxide should be combined to this buffer to raise the pH to 5.1? If the same amount of 0.20 mol/L sodium hydroxide were combined to 250mL of deionized H 2 O, Determine New pH?
Determine the partial pressure of each gas in a mixture of gases using Dalton's law of partial pressures
Describe the nature and characteristics of PCB's. Why are they of importance to an EH&S or FS professional who encounters them when coming upon an incident scene where they are present?
Iron has a density of 7.9 g/ cm3. What is the mass of a cube of iron with the length of one side equal to 55.0 mm.
Determine the mass of Al is needed to combine with 3.077 kilo grams of Ammonium per chlorate NH 4 ClO 4 for this reaction? express your answer in units of g
Compute the number of mL of 2.00M H2SO4 required neutralizing 125.5mL of 1.2M KOH
Compute how many titanium atoms are there in 24.1 grams of titanium and also determine what is the mass in grams of 3.23E+23 atoms of titanium.
Determine what concentration of OH - is needed to dissolve 0.015 mol of Zn(OH) 2 zinc hydroxide in a liter of solution
An ore containing 24% solid inert and 76 mol% iron pyrites (FeS2) is roasted in the presence of dry air at 500 °C and 1 atm. Considering the given reactions.
Determine how will this error control the final computed percentage of CH3COOH in the vinegar
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