Calculate the ph of a buffer solution
Calculate the pH of a buffer solution that is 0.12 M lactic acid (HC3H5O3)and 0.1 M sodium lactate (NaC3H5O5). Ka for lactic acid = 1.4 x 10-4.
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A solution of 0.640 g of azulene in 100.0 g of benzene boils at 80.23oC. The boiling point of benzene is 80.10oC; the Kb is 2.53 oC/molal.
Record the biweekly payroll in the general journal details as follows: Sales salaries, $2692.5; Office salaries, $438.75; officers salaries, $1500; Federal Income Tax withheld, $1387.5; FICA tax withheld, $347.34.
Use the van der Waals equation of state to plot the compressibility factor, Z, against P for methane at 180K and 250K. calculate Z as a function of V/n and P as a function of V/n, and then plot Z Vs. P.
Question: Galactose and glucose compose lactose, which is referred to as milk sugar. What is the molecular formula of galactose if the empirical formula is CH2O, and the approximate molar mass is 180 g/mole
The Diamond Glitter Company is in the process of preparing its financial statements for 2012. Assume that no entries for depreciation have been recorded in 2012. The following information related to depreciation of fixed assets is provided to you.
A reaction happens at two different temperatures. At the higher temperature the reaction takes 25 seconds, and at the lower temperature the reaction takes 125 seconds. What is the relationship between the rate constants for these two temperatures?
Adler Company manufactures a product with a unit variable cost of $50 and a unit sales price of $88. Fixed manufacturing costs were $240,000 when 10,000 units were produced and sold.
Describe how to prepare 2.0 liters of a .20 M NaOH solution from 50%. (w/w) Naoh solution that has a density of 1.53 g/mL, and doing all measurements by volume, not mass.
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